A boat sails on the Gulf Of Thailand during the sunset at Ko Samui in Thailand March 3, 2020. REUTERS/Navesh Chitrakar 

A boat sails on the Gulf Of Thailand during the sunset at Ko Samui in Thailand March 3, 2020. REUTERS/Navesh Chitrakar 

A boat sails on the Gulf Of Thailand during the sunset at Ko Samui in Thailand March 3, 2020. REUTERS/Navesh Chitrakar 

A tree is seen partially submerged in water after a riverbank collapsed in Ta Dar U village, Bago, Myanmar, February 5, 2020. Photo taken on February 5, 2020. REUTERS/Ann Wang 

A dog is seen outside a polling station during Ireland's national election in Dublin, Ireland, February 8, 2020. REUTERS/Phil Noble 

Clouds gather but produce no rain as cracks are seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings 

A dead lamb lies in the veld on a farm near drought-stricken Graaff-Reinet, South Africa, November 16, 2019. Picture taken November 16, 2019. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY 

Clouds hang over the mountains on a rainy day near Holzkirchen, Germany, November 28, 2019. REUTERS/Michael Dalder 

Clouds surround an autumnal tree on a rainy day near Holzkirchen, Germany, November 28, 2019. REUTERS/Michael Dalder 

Clouds surround an autumnal tree on a rainy day near Holzkirchen, Germany, November 28, 2019. REUTERS/Michael Dalder 

The sun rises over a smoldering landscape that was burned by a wildfire dubbed the Cave Fire, burning in the hills of Santa Barbara, California, U.S., November 26, 2019. REUTERS/David McNew 

Ducks swim in Svisloch river in Minsk, Belarus November 26, 2019. REUTERS/Vasily Fedosenko 

The Eiger, Guggi and Giesen Glaciers are pictured near the Jungfrau in the Swiss Alps in Wengen, Switzerland August 27, 2019. Picture taken August 27, 2019. REUTERS/Denis Balibouse 

A Jungfraubahn train is pictured in front of the Eiger Glacier in Wengen, Switzerland August 27, 2019. Picture taken August 27, 2019. REUTERS/Denis Balibouse 

Ethiopians fish on the Awasa lake in Hawassa, Ethiopia, November 22, 2019. REUTERS/Tiksa Negeri 

A rainbow appears in the sky after a rainstorm in Encinitas, California, U.S., November 21, 2019.REUTERS/Mike Blake 

Autumn colours are seen on foliage during foggy autumn day in Minsk, Belarus November 19, 2019. REUTERS/Vasily Fedosenko 

A fisherman digs for bait in front of the Liverpool skyline on the beach at New Brighton, Britain November 19, 2019. REUTERS/Phil Noble 

Trees are reflected in a pond in a park in Gaasbeek, Belgium, November 16, 2019. REUTERS/Yves Herman 

Creeping desert sands surround the Royal Cemeteries of Meroe Pyramids in Begrawiya at River Nile State, Sudan November 10, 2019. Picture taken November 10, 2019. REUTERS/Mohamed Nureldin Abdallah 

Creeping desert sands surround the Royal Cemeteries of Meroe Pyramids in Begrawiya at River Nile State, Sudan November 10, 2019. Picture taken November 10, 2019. REUTERS/Mohamed Nureldin Abdallah 

Tourists walks to the Royal Cemeteries of Meroe Pyramids in Begrawiya at River Nile State, Sudan November 10, 2019. Picture taken November 10, 2019. REUTERS/Mohamed Nureldin Abdallah 

A squirrel sits in a tree in Holland Park during autumnal weather in London, Britain, November 14, 2019. REUTERS/Henry Nicholls 

Creeping desert sands surround the Royal Cemeteries of Meroe Pyramids in Begrawiya at River Nile State, Sudan November 10, 2019. Picture taken November 10, 2019. REUTERS/Mohamed Nureldin Abdallah 

The sun shines through autumnal leaves at Tiergarten park in Berlin, Germany, November 14, 2019. REUTERS/Fabrizio Bensch 

A duck swims at Tiergarten park in Berlin, Germany, November 14, 2019. REUTERS/Fabrizio Bensch 

Autumnal leaves are pictured at Tiergarten park in Berlin, Germany, November 14, 2019. REUTERS/Fabrizio Bensch 

Larches stand in the snow near the village of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

Larches stand in the snow near the village of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

Larches stand in the snow near the village of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

Snow lies on a deck chair in a garden near the village of Seefeld, Austria, November 14, 2019 REUTERS/Angelika Warmuth 

Hindu devotees sit together on the floor of a temple to observe Rakher Upabash, in Dhaka, Bangladesh, November 12, 2019. REUTERS/Mohammad Ponir Hossain 

A deer stag is seen in the early morning light in Richmond Park, west London, Britain, November 12, 2019. REUTERS/Toby Melville 

A deer stag is seen in the early morning light in Richmond Park, west London, Britain, November 12, 2019. REUTERS/Toby Melville 

A fisherman is seen during a rainy day at the Rodrigo de Freitas lagoon in Rio de Janeiro, Brazil November 11, 2019. REUTERS/Sergio Moraes 

A fisherman is seen during a rainy day at the Rodrigo de Freitas lagoon in Rio de Janeiro, Brazil November 11, 2019. REUTERS/Sergio Moraes 

Men fish from the shore in Beirut, Lebanon November 9, 2019. REUTERS/Andres Martinez Casares 

People ride on horses in front of the snow-covered mountains in the central Swiss Alps near Studen, Switzerland November 9, 2019. REUTERS/Arnd Wiegmann 

A butterfly flies near the flower buds in Kathmandu, Nepal November 8, 2019. REUTERS/Navesh Chitrakar 

Cows are seen in a farm in Azul, in Buenos Aires, Argentina September 30, 2019. Picture taken September 30. REUTERS/Agustin Marcarian 

A cow is seen in a farm in Azul, in Buenos Aires, Argentina September 30, 2019. Picture taken September 30. REUTERS/Agustin Marcarian 

A cow is seen in a farm in Azul, in Buenos Aires, Argentina September 30, 2019. Picture taken September 30. REUTERS/Agustin Marcarian 

An observational tower overlooks the Norway-Russia border from the Norwegian side in Pasvik valley, Finnmark county, Norway, October 23, 2019. REUTERS/Maxim Shemetov SEARCH "NORWAY-RUSSIA BORDER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Cattle graze on a mountain plateau outside the town of Mailuu-Suu, Kyrgyzstan, October 25, 2019. Picture taken October 25, 2019. REUTERS/Mariya Gordeyeva 

A general view shows the town of Mailuu-suu at the foot of the mountains, Kyrgyzstan, October 23, 2019. Picture taken October 23, 2019. REUTERS/Pavel Mikheyev 

A view of Mailuu-suu river near the town of Mailuu-suu, Kyrgyzstan, October 25, 2019. Picture taken October 25, 2019. REUTERS/Pavel Mikheyev 

The Palace of Westminster and a man walking are reflected in a puddle in London, Britain November 4, 2019. REUTERS/Yara Nardi TPX IMAGES OF THE DAY 

Garage doors are seen outside Block 23 in an apartment neighbourhood in New Belgrade, Serbia, July 31, 2019. After World War Two socialist Yugoslavia led by Josip Broz Tito set out to reconstruct a land destroyed by fighting. Residential blocks, hotels, civic centres and monuments all made of concrete shot up across the country. REUTERS/Marko Djurica SEARCH "ARCHITECTURE DJURICA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Ducks swim at a lake during a sunny autumn day near Belapatfalva, Hungary, October 27, 2019. REUTERS/Bernadett Szabo 

Autumnal foliage is relected on a lake near Belapatfalva, Hungary, October 27, 2019. REUTERS/Bernadett Szabo 

A man carrying a basket walks along the paddy fields early in the morning in Bhaktapur, Nepal, October 27, 2019. REUTERS/Monika Deupala 

Autumnal foliage is reflected on Loch Faskally, Pitlochry, Scotland, Britain October 26, 2019. REUTERS/Russell Cheyne 

Autumnal foliage is reflected on Loch Faskally, Pitlochry, Scotland, Britain October 26, 2019. REUTERS/Russell Cheyne 

Autumnal foliage is reflected on Loch Faskally, Pitlochry, Scotland, Britain October 26, 2019. REUTERS/Russell Cheyne 

Autumnal foliage is reflected on Loch Faskally, Pitlochry, Scotland, Britain October 26, 2019. REUTERS/Russell Cheyne 

Autumn leaves are reflected on Loch Faskally, Pitlochry, Scotland, Britain October 24, 2019. REUTERS/Russell Cheyne 

Swans fly over Loch Faskally, Pitlochry, Scotland, Britain October 24, 2019. REUTERS/Russell Cheyne 

Autumn leaves are reflected on Loch Faskally, Pitlochry, Scotland, Britain October 24, 2019. REUTERS/Russell Cheyne 

Autumn leaves are reflected on Loch Faskally, Pitlochry, Scotland, Britain October 24, 2019. REUTERS/Russell Cheyne 

Autumn leaves are reflected on Loch Faskally, Pitlochry, Scotland, Britain October 24, 2019. REUTERS/Russell Cheyne