A tower of the Kremlin is seen behind surveillance cameras in central Moscow, Russia January 26, 2020. Picture taken January 26, 2020. REUTERS/Shamil Zhumatov 

A tower of the Kremlin is seen behind surveillance cameras in central Moscow, Russia January 26, 2020. Picture taken January 26, 2020. REUTERS/Shamil Zhumatov 

A Magellanic penguin is seen at the Martillo Island, in the Patagonian province of Tierra del Fuego, Argentina January 7, 2020. Picture taken January 7, 2020. REUTERS/Agustin Marcarian 

Security personnel keep watch atop a building ahead of Britain's Prince William and Catherine, Duchess of Cambridge visit in Bradford, Britain January 15, 2020. REUTERS/Jon Super 

A surfer wipes out on a wave in Cardiff, California, U.S., January 7, 2020. REUTERS/Mike Blake 

A surfer takes some air off a wave while surfing after sunset in Cardiff, California, U.S., January 7, 2020. REUTERS/Mike Blake 

A surfer takes some air off a wave while surfing after sunset in Cardiff, California, U.S., January 7, 2020. REUTERS/Mike Blake TPX IMAGES OF THE DAY 

A surfer takes some air off a wave while surfing after sunset in Cardiff, California, U.S., January 7, 2020. REUTERS/Mike Blake 

A surfer takes some air off a wave in Cardiff, California, U.S., January 7, 2020. REUTERS/Mike Blake 

Demonstrators take cover from water cannon fired by riot police, with an improvised shield during a protest against Chile's government, in Santiago, Chile November 28, 2019. REUTERS/Ivan Alvarado 

Riot police fire water cannon as demonstrators protest against Chile's government, in Santiago, Chile November 28, 2019. REUTERS/Ivan Alvarado 

A woman feeds a Parakeet in Hyde Park during autumnal weather in London, Britain, November 23, 2019. REUTERS/Henry Nicholls 

A man rides his skateboard at sunset while doing a trick in Venice Skate Park in the Venice Beach area of Los Angeles, California, U.S., November 12, 2019. REUTERS/Carlo Allegri 

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

Deer lock antlers as they clash during the rutting season in Richmond Park, west London, Britain, November 12, 2019. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

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 

Hindu devotees sit together on the floor of a temple to observe Rakher Upabash, in Narayangonj near Dhaka, Bangladesh, November 5, 2019. REUTERS/Mohammad Ponir Hossain 

A sea bird is reflected in the water during low tide at Cardiff State Beach in Encinitas, California, U.S. October 17, 2019. REUTERS/Mike Blake 

A speckled ground squirrel feeds in a field near the village of Yushevichi, Belarus October 17, 2019. REUTERS/Vasily Fedosenko 

A speckled ground squirrel feeds in a field near the village of Yushevichi, Belarus October 17, 2019. REUTERS/Vasily Fedosenko 

A speckled ground squirrel feeds in a field near the village of Yushevichi, Belarus October 17, 2019. REUTERS/Vasily Fedosenko 

A speckled ground squirrel feeds in a field near the village of Yushevichi, Belarus October 17, 2019. REUTERS/Vasily Fedosenko 

A cat is seen on a window inside the house of a Palestinian man Saeed el-Aer, who looks after abandoned cats, in the central Gaza Strip October 10, 2019. Picture taken October 10, 2019. REUTERS/Mohammed Salem 

A male cheetah rests in the Maasai Mara National Reserve, Kenya, October 15, 2019.REUTERS/Baz Ratner 

Four out of a pride of five male cheetahs are seen as they rest in the Maasai Mara National Reserve, Kenya, October 15, 2019. REUTERS/Baz Ratner 

A man looks at the U.S. Capitol Building in Washington, U.S, October 13, 2019. REUTERS/Carlos Jasso 

Tourists watch the sunset in the Caucasus mountains outside Krasnaya Polyana near Sochi, Russia September 30, 2019. Picture taken September 30, 2019. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY 

Cattle are seen near San Ignacio de Velasco, Bolivia, September 25, 2019. Picture taken September 25, 2019. REUTERS/David Mercado 

Cattle are seen near San Ignacio de Velasco, Bolivia, September 25, 2019. Picture taken September 25, 2019. REUTERS/David Mercado 

Cattle are seen near San Ignacio de Velasco, Bolivia, September 25, 2019. Picture taken September 25, 2019. REUTERS/David Mercado 

Cattle are seen near San Ignacio de Velasco, Bolivia, September 25, 2019. Picture taken September 25, 2019. REUTERS/David Mercado 

A cow is seen in Santa Teresita, Charagua, Bolivia, September 24, 2019. REUTERS/David Mercado 

A red-fronted brown lemur is seen at the Kirindy forest reserve near the city of Morondava, Madagascar, September 1, 2019.Picture taken REUTERS/Baz Ratner 

A zookeeper feeds Korzhik, Rogalik and Keksik, orphaned roe deer fawns, at the Royev Ruchey zoo in Krasnoyarsk, Russia August 12, 2019. REUTERS/Ilya Naymushin 

A solar eclipse is observed at Coquimbo, Chile, July 2, 2019. REUTERS/Rodrigo Garrido 

An aircraft flies as people watch sunset in Moscow, Russia April 23, 2019. REUTERS/Maxim Shemetov 

A woman looks at an electronic board showing the recent fluctuations of market indices on the floor of Brazil's B3 Stock Exchange in Sao Paulo, Brazil, April 3, 2019. Picture taken April 3, 2019. REUTERS/Amanda Perobelli 

Instructor of aerial silks Val Martins performs during a class at the Boa Viagem (Good Trip) beach in Niteroi, Brazil April 4, 2019. Picture taken April 4, 2019. REUTERS/Pilar Olivares 

A woman looks at an electronic board showing the graph of the recent fluctuations of market indices on the floor of Brazil's B3 Stock Exchange in Sao Paulo, Brazil, April 3, 2019. REUTERS/Amanda Perobelli 

Residents look at houses on fire at Educandos neighbourhood, a branch of the Rio Negro, a tributary to the Amazon river, in the city of Manaus, Brazil December 17, 2018. Picture taken December 17, 2018. REUTERS/Bruno Kelly 

A boy wearing Santa Claus outfit watches a large fish tank at Sunshine Aquarium in Tokyo, Japan, December 18, 2018. REUTERS/Issei Kato 

A person looks through the border wall towards the United States at Border Field State Park in San Diego, California, U.S. November 20, 2018. REUTERS/Mike Blake TPX IMAGES OF THE DAY 

Big-wave surfer Sebastian Steudtner of Germany drops in a large wave at Praia do Norte in Nazare, Portugal November 9, 2018. REUTERS/Rafael Marchante TPX IMAGES OF THE DAY 

A migrant, part of a caravan of thousands traveling from Central America en route to the United States, looks out to the city through a wall from inside a makeshift camp in Mexico City, Mexico, November 7, 2018. REUTERS/Hannah McKay TPX IMAGES OF THE DAY 

A wheel is set alight at the end of the procession up the hill of Tlachtga as part of the Flame of Samhain festival, in Athboy, Ireland, October 31, 2018. Samhain is believed to be the ancient precursor to Halloween and marks the end of the old Celtic year and the beginning of the new year where the spirits of the dead are passed onto the next world. REUTERS/Clodagh Kilcoyne 

A seagull tries to eat a piece of fish at an artisanal fisherman's market in Valparaiso, Chile October 30, 2018. REUTERS/Rodrigo Garrido 

Orangutan Theodora and her newborn daughter Java are seen at the zoo of the Jardin des Plantes in Paris, France, October 24, 2018. REUTERS/Philippe Wojazer TPX IMAGES OF THE DAY 

A man looks at the sea along the Mazatlan boardwalk as Hurricane Willa approaches the Pacific beach resort, Mexico October 23, 2018. REUTERS/Henry Romero 

People look at the sea along the Mazatlan boardwalk as Hurricane Willa approaches the Pacific beach resort, Mexico October 23, 2018. REUTERS/Henry Romero 

People look at the sea along the Mazatlan boardwalk as Hurricane Willa approaches the Pacific beach resort, Mexico October 23, 2018. REUTERS/Henry Romero 

A man looks at the sea along the Mazatlan boardwalk as Hurricane Willa approaches the Pacific beach resort, Mexico October 23, 2018. REUTERS/Henry Romero 

A general view of the Hong Kong-Zhuhai-Macau bridge after its opening ceremony in Zhuhai, China October 23, 2018. REUTERS/Aly Song 

A general view of the Hong Kong-Zhuhai-Macau bridge after its opening ceremony in Zhuhai, China October 23, 2018. REUTERS/Aly Song 

People enjoy the view over fog-covered valleys during sunny autumn weather near the peak of Mount Rigi, Switzerland October 22, 2018. REUTERS/Arnd Wiegmann 

A man looks at a currency exchange board in Buenos Aires' financial district, Argentina September 27, 2018. REUTERS/Marcos Brindicci 

A man mourns at a memorial wall bearing the names of those killed during the Georgian-Abkhazian war during a ceremony marking an anniversary of the conflict in Tbilisi, Georgia, September 27, 2018. REUTERS/David Mdzinarishvili TPX IMAGES OF THE DAY 

A security guard looks towards the Spasskaya Tower of the Kremlin and St. Basil's Cathedral from a pedestrian bridge over the Moskva river at the Zaryadye Park in central Moscow, Russia September 18, 2018. REUTERS/Maxim Shemetov 

Catholic nuns look at a jewellery window display in Madrid, Spain, September 17, 2018. REUTERS/Susana Vera 

Norteno musicians stand near a crime scene where unknown assailants gunned down three men at an intersection on the edge of the tourist Plaza Garibaldi in Mexico City, Mexico September 14, 2018. REUTERS/Carlos Jasso 

Birdwatchers view from a hide as thousands of wading birds fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. REUTERS/Toby Melville