ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (C) and Turkish President Recep Tayyip Erdogan (right 3) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( Arif Hüdaverdi Yaman - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (C) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( Arif Hüdaverdi Yaman - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (C) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (C) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel holds the gift which was presented to her during opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - JANUARY 24: German Chancellor Angela Merkel (L) and Turkish President Recep Tayyip Erdogan (R) attend opening of new buildings of the Turkish-German University in Istanbul, Turkey on January 24, 2020. ( İsa Terli - Anadolu Agency )