The Queen Elizabeth Tower (Big Ben) is reflected in a puddle as a cyclist rides by in London, on 27 June 2016. Britain began preparations to leave the European Union on Monday but said it would not be rushed into a quick exit, as markets plunged in the wake of a seismic referendum despite attempts to calm jitters. (Photo by Leon Neal/AFP Photo)

In this March 22, 1975 file photo, a refugee clutches a baby as a government helicopter gunship carries them away near Tuy Hoa, Vietnam, 235 miles northeast of Saigon. They were among thousands fleeing from Communist advances. AP Photographer Nick Ut will be retiring from the AP in March 2017 after 51 years of taking photographs from the front lines of the Vietnam War to the red carpets of Hollywood. (Photo by Nick Ut/AP Photo)

In this April 4, 2017 photo, Zoologist Martha Llanes caresses baby chimpanzee Anuma II, left, while Ada hangs on to her leg, at Llanes' apartment in Havana, Cuba. She has forgiven them every transgression. It's hard to stay angry at a baby chimpanzee when it clambers up your leg and into your arms and plants a kiss on your cheek in a plea for forgiveness. (Photo by Ramon Espinosa/AP Photo)

Naked activists take part in a protest against fur trade, called by international non profit animal rights organisation AnimaNaturalis, in Barcelona, on December 1, 2019, on the eve of the opening of the UN Climate Change Conference COP25. (Photo by Pau Barrena/AFP Photo)

“The Reward”. “A spot that a friend and I found that takes a bit of effort to get to. Needs the right swell and wind direction to come together for the backwash to really happen. We had been many times with OK results, but this morning everything lined up perfectly and I was rewarded with this split-second moment in time under some amazing morning light”. (Photo by Scott Harrison/2019 UK Surf Photo of the Year)

An Iranian girl walks at the Tochal ski resort, in north of Tehran, Iran on December 12, 2019. (Photo by Nazanin Tabatabaee/WANA via Reuters)

Hindu women worship the Sun god in the polluted waters of the river Yamuna during the Hindu religious festival of Chatth Puja in New Delhi, India, November 3, 2019. (Photo by Adnan Abidi/Reuters)

A pilgrim crawls in front of the Navy band outside the Holy Church of Panagia of Tinos, on the Aegean island of Tinos, Greece, on Saturday, August 15, 2020. For nearly 200 years, Greek Orthodox faithful have flocked to Tinos for the August 15 feast day of the Assumption of the Virgin Mary, the most revered religious holiday in the Orthodox calendar after Easter. But this year there was no procession, the ceremony – like so many lives across the globe – upended by the coronavirus pandemic. (Photo by Thanassis Stavrakis/AP Photo)