Dressed up as Punxsutawney Phil, Marty Nagy, of Hallandale Beach, Fla., gives thumbs up to passers by before the start of the 12th annual Groundhog Day on Hollywood Beach, Tuesday, February 2, 2016, in Hollywood, Fla. The event, which featured breakfast and an ocean plunge, benefited the Hollywood Beach Lifeguard Competition Team. (Photo by Wilfredo Lee/AP Photo)

Ava Max poses with the Best Push award at the backstage during the 2019 MTV Europe Music Awards at the FIBES Conference and Exhibition Centre in Seville, Spain, November 3, 2019. (Photo by Jon Nazca/Reuters)

First Lady Melania Trump kisses Canada's Prime Minister Justin Trudeau next to the President Donald Trump during the family photo with invited guests at the G7 summit in Biarritz, France, August 25, 2019. (Photo by Carlos Barria/Reuters)

The lightest material ever made has been produced by a team of scientists in China, a Chinese university announced.

Florence Welch of Florence And The Machine performs at Spark Arena on January 30, 2019 in Auckland, New Zealand. (Photo by Dave Simpson/WireImage)

A protestor offers prayers on the second day of a demonstration demanding Prime Minister Najib Razak's resignation and electoral reforms in Kuala Lumpur on August 30, 2015. Tens of thousands of Malaysians swarmed central Kuala Lumpur on August 29, to call for the prime minister's ouster over corruption allegations and demand broader reforms, defying warnings by police who had declared the rally illegal. (Photo by Mohd Rasfan/AFP Photo)

Series of portraits by Muir Vidler for his project Rebels Without a Pause: Britain's ageing rebels and mavericks.