KUTAHYA, TURKEY - OCTOBER 25: A drone photo shows an aerial view of a road among greenish and yellowish trees at Mount Boyali, at an altitude of 1950 meters, during the autumn season in Kutahya, Turkey on October 25, 2020. ( Muharrem Cin - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: Visitors are seen at Guzeldere Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: Visitors are seen at Guzeldere Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

TRABZON, TURKEY - OCTOBER 19: A drone photo shows an aerial view of a motorway among the yellowish, orangish and greenish trees at Hidirnebi highland during autumn season in Akcabat district of Trabzon, Turkey on October 19, 2020. ( Hakan Burak Altunöz - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: Visitors are seen at Aydinpinar Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A view of ducks at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

KUTAHYA, TURKEY - OCTOBER 25: A drone photo shows an aerial view of a road among greenish and yellowish trees at Mount Boyali, at an altitude of 1950 meters, during the autumn season in Kutahya, Turkey on October 25, 2020. ( Muharrem Cin - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: Visitors are seen at Aydinpinar Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: A drone photo shows an aerial view of Guzeldere Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

TRABZON, TURKEY - OCTOBER 19: A view of a house among the yellowish, orangish and greenish trees at Hidirnebi highland during autumn season in Akcabat district of Trabzon, Turkey on October 19, 2020. ( Hakan Burak Altunöz - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: A drone photo shows an aerial view of Guzeldere Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

DUZCE, TURKEY - OCTOBER 24: A drone photo shows an aerial view of Guzeldere Waterfall in Duzce, Turkey on October 24, 2020. ( Ömer Ürer - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : Trees with leaves turned in yellow, orange and red colors are seen during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

KUTAHYA, TURKEY - OCTOBER 25: A drone photo shows an aerial view of greenish and yellowish trees at Mount Boyali, at an altitude of 1950 meters, during the autumn season in Kutahya, Turkey on October 25, 2020. ( Muharrem Cin - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: People walk at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: People walk at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A view of a goose at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A woman draws a picture at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A view of a river at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A parrot is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A squirrel is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A squirrel is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A parrot is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A parrot is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

LONDON, UNITED KINGDOM - OCTOBER 22: A parrot is seen at Saint James Park during autumn season in London, United Kingdom on October 22, 2020. ( Hasan Esen - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : A man rides a bicycle amid trees with leaves turned in yellow, orange and red colors in front of Berlin Television Tower during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : German Chancellery is seen amid trees with leaves, turned in yellow, orange and red colors during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : German Chancellery is seen amid trees with leaves, turned in yellow, orange and red colors during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : A face mask, used as a preventive measure against the coronavirus (COVID-19) pandemic, lies on the ground under trees with leaves turned in yellow, orange and red colors during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : Fallen leaves, turned in yellow, orange and red colors, cover the ground in front of the Reichstag Building during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : Fallen leaves, turned in yellow, orange and red colors, cover the ground in front of the Reichstag Building during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

BERLIN, GERMANY - OCTOBER 22 : Berlin Television Tower is seen behind trees with leaves turned in yellow, orange and red colors during autumn season in Berlin, Germany on October 22, 2020. ( Abdulhamid Hoşbaş - Anadolu Agency )

MOSCOW, RUSSIA - OCTOBER 14: A view of yellowish trees at Kolomenskaya Park during autumn season in Moscow, Russia on October 14, 2020. ( Sefa Karacan - Anadolu Agency )

MOSCOW, RUSSIA - OCTOBER 14: A view of yellowish trees at Kolomenskaya Park during autumn season in Moscow, Russia on October 14, 2020. ( Sefa Karacan - Anadolu Agency )

MOSCOW, RUSSIA - OCTOBER 14: A view of yellowish trees at Kolomenskaya Park during autumn season in Moscow, Russia on October 14, 2020. ( Sefa Karacan - Anadolu Agency )

MOSCOW, RUSSIA - OCTOBER 14: A view of yellowish trees at Kolomenskaya Park during autumn season in Moscow, Russia on October 14, 2020. ( Sefa Karacan - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Aerial view of colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Aerial view of colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Aerial view of colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Aerial view of colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: A tree with colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Close-up of colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )

NEW HAMPSHIRE, USA - OCTOBER 2: Close-up of a colorful fall foliage at the White Mountain National Forest in New Hampshire, United States on October 2, 2020. ( Tayfun Coşkun - Anadolu Agency )