A man records in Times Square during a brief snow flurry as a polar vortex brought cold temperatures to the region in the Manhattan borough of New York City, U.S., May 9, 2020. REUTERS/Andrew Kelly

A man cycles through Times Square during a snow flurry as a polar vortex brought cold temperatures to the region in the Manhattan borough of New York City, U.S., May 9, 2020. REUTERS/Andrew Kelly

A man walks through the Times Square area during a snow flurry as a polar vortex brought cold temperatures to the region in the Manhattan borough of New York City, U.S., May 9, 2020. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY

After a flurry of activity by U.S. President Donald Trump and senior advisors following Iran's missile attacks on U.S.-led forces in Iraq, night settles over the White House in Washington, U.S. January 7, 2020. REUTERS/Jonathan Ernst

After a flurry of activity by U.S. President Donald Trump and senior advisors following Iran's missile attacks on U.S.-led forces in Iraq, night settles over the White House in Washington, U.S. January 7, 2020. REUTERS/Jonathan Ernst

After a flurry of activity by U.S. President Donald Trump and senior advisors following Iran's missile attacks on U.S.-led forces in Iraq, night settles over the White House in Washington, U.S. January 7, 2020. REUTERS/Jonathan Ernst

After a flurry of activity by U.S. President Donald Trump and senior advisors following Iran's missile attacks on U.S.-led forces in Iraq, night settles over the White House in Washington, U.S. January 7, 2020. REUTERS/Jonathan Ernst

People cross a street amid a snow flurry in central Kiev, Ukraine March 27, 2019. REUTERS/Gleb Garanich

A man walks across a park amid a snow flurry in central Kiev, Ukraine February 6, 2019. REUTERS/Valentyn Ogirenko

A woman walks along a street amid a snow flurry in central Kiev, Ukraine February 6, 2019. REUTERS/Valentyn Ogirenko

People exercise at a park amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

People exercise at a park amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

People cross a street amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

A couple walks along a boulevard amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

A man walks across a park amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

A man walks along a street amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

A man walks along a street amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

A woman walks along a boulevard amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Valentyn Ogirenko

People walk along a street amid a snow flurry in Kiev, Ukraine, November 14, 2018. REUTERS/Gleb Garanich

People walk along a street amid a snow flurry in Kiev, Ukraine, November 14, 2018. REUTERS/Gleb Garanich

A woman walks along a street amid a snow flurry in Kiev, Ukraine November 14, 2018. REUTERS/Gleb Garanich

A woman walks along a street amid a snow flurry in Kiev, Ukraine November 14, 2018. REUTERS/Gleb Garanich

A woman waits before crossing a street amid a snow flurry in central Kiev, Ukraine November 14, 2018. REUTERS/Gleb Garanich

People shelter under umbrellas as they walk in St Peter's square at the Vatican, November 5, 2018. REUTERS/Alessandro Bianchi

President Donald Trump attacked Amazon and its chief executive, Jeff Bezos, in a flurry of posts on Twitter over the past two weeks. embed code and instructions: https://reut.rs/2GBWc6m

President Donald Trump attacked Amazon and its chief executive, Jeff Bezos, in a flurry of posts on Twitter over the past two weeks. embed code and instructions: https://reut.rs/2q7Mo9X

A farmer makes her way through heavy snow in Blessington, Ireland, March 5, 2018. REUTERS/Clodagh Kilcoyne

A gateway leading to Thomas Jones' farm is blocked by heavy snow in Blessington, Ireland, March 5, 2018. REUTERS/Clodagh Kilcoyne

A gateway leading to Thomas Jones' farm is blocked by heavy snow in Blessington, Ireland, March 5, 2018. REUTERS/Clodagh Kilcoyne

A horse is seen in a field with snow in Straffan, Ireland, March 4, 2018. REUTERS/Clodagh Kilcoyne

A horse is seen in a field with snow in Straffan, Ireland, March 4, 2018. REUTERS/Clodagh Kilcoyne

A man with an umbrella walks through snow-covered Bushy Park near Dublin, Ireland, March 4, 2018. REUTERS/Clodagh Kilcoyne

Swans swim in a thawed out section of a frozen lake near the County Kildare town of Celbridge, Ireland, March 4, 2018. REUTERS/Clodagh Kilcoyne

A snowplough works along the M80 motorway, near Castlecary, Scotland, Britain March 1, 2018. REUTERS/Russell Cheyne

Snowploughs work on the M80 motorway after it was closed to clear vehicles stranded by bad weather overnight, near Banknock, Scotland, Britain March 1, 2018. REUTERS/Russell Cheyne

Snowploughs work on the M80 motorway after it was closed to clear vehicles stranded by bad weather overnight, near Banknock, Scotland, Britain March 1, 2018. REUTERS/Russell Cheyne

Snowploughs work on the M80 motorway after it was closed to clear vehicles stranded by bad weather overnight, near Banknock, Scotland, Britain March 1, 2018. REUTERS/Russell Cheyne

The M80 motorway is completely empty after being closed to clear vehicles stranded by bad weather overnight, near Banknock, Scotland, Britain March 1, 2018. REUTERS/Russell Cheyne

A man speaks on the phone as he stands in front of a shop window amid a snow flurry in Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A woman begs for money amid a snow flurry in Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A woman waits before crossing a street amid a snow flurry in central Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A woman walks along a street amid a snow flurry in Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A woman removes snow from steps amid a snow flurry in Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A man waits before crossing a street amid a snow flurry in central Kiev, Ukraine March 1, 2018. REUTERS/Gleb Garanich

A woman pulls shopping on a sledge near Lincoln, Britain, March 1, 2018. REUTERS/Darren Staples

The A53 Buxton Road is closed due to heavy snow fall, near Leek, Britain, March 1, 2018. REUTERS/Carl Recine

A man walks his dog along the A53 Buxton Road which is closed due to heavy snow fall, near Leek, Britain, March 1, 2018. REUTERS/Carl Recine

A man walks along the A53 Buxton Road which is closed due to heavy snow fall, near Leek, Britain, March 1, 2018. REUTERS/Carl Recine

A woman walks her dogs on a snow-covered road as winter weather bringing snow and freezing temperatures continues, in Saint-Chaffrey, France, March 1, 2018. REUTERS/Regis Duvignau

A goose is seen during a snow flurry in Canary Wharf, London, Britain, February 28, 2018. REUTERS/Tom Jacobs

A sign is seen during a snow flurry in Canary Wharf, London, Britain, February 28, 2018. REUTERS/Tom Jacobs

People walk through Canary Wharf during a snow flurry, in London, Britain, February 28, 2018. REUTERS/Tom Jacobs

A security guard patrols with a dog during a snow flurry in Canary Wharf, London, Britain, February 28, 2018. REUTERS/Tom Jacobs

A woman holds an umbrella during a snow flurry in Dublin, Ireland February 27, 2018. REUTERS/Clodagh Kilcoyne

A man walks through a street after a snow flurry in Dublin, Ireland February 27, 2018. REUTERS/Clodagh Kilcoyne

A man walks through a snow flurry on Primrose Hill in London, Britain February 27, 2018. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY

A man walks through a snow flurry on Primrose Hill in London, Britain February 27, 2018. REUTERS/Peter Nicholls

A man walks through a snow flurry on Primrose Hill in London, Britain February 27, 2018. REUTERS/Peter Nicholls

A man walks through a snow flurry on Primrose Hill in London, Britain February 27, 2018. REUTERS/Peter Nicholls