TEHRAN, IRAN - NOVEMBER 4: A view of anti-American mural outside U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A detail from the walls of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An exterior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An exterior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A sculpture is seen at the yard of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A sculpture is seen at the yard of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: Remains of the US helicopter used and crashed during Operation Tabas ordered by U.S. President Jimmy Carter exhibited at the yard of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: Remains of the US helicopter used and crashed during Operation Tabas ordered by U.S. President Jimmy Carter exhibited at the yard of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A view of anti-American mural inside U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of soundproof "glass room" where secret meetings used to be held at U.S. Den of Espionage Museum, or former embassy of the United States in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The embassy office, working places of diplomats, archive room, destruction room, communication and encryption-decryption rooms located in the main building. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: A view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )

TEHRAN, IRAN - NOVEMBER 4: An interior view of U.S. Den of Espionage Museum, or former embassy of the United States in seen in Tehran, Iran on November 4, 2021. The US Embassy in Tehran was occupied on November 4, 1979, after the revolution led by Ayatollah Khomeini in Iran and the building now serves as a museum. ( Fatemeh Bahrami - Anadolu Agency )