Visitors watch as Grigory Broverman, a member of the Cryophile winter swimmers club, pours a bucket of cold water over his 6-year-old daughter Liza during a flash mob, part of a celebration of Polar Bear Day at the Royev Ruchey Zoo in a suburb of the Siberian city of Krasnoyarsk, Russia, November 29, 2015. The air temperature was around minus 5 degrees Celsius. (Photo by Ilya Naymushin/Reuters)

A mahout bathes his elephant in the river Sabarmati on a hot summer day in Ahmedabad, India May 21, 2017. (Photo by Amit Dave/Reuters)

Geisha women parade down the street to Asakusa Shrine in the compound of Sensoji Temple Friday, May 19, 2017, in Tokyo prior to the annual Sanja Festival, one of the three major festivals in Tokyo. (Photo by Eugene Hoshiko/AP Photo)

English singer Victoria Louise “Pixie” Lott attends the launch of the new Pixie Lott Paint collection at The Cuckoo Club on June 27, 2017 in London, England. (Photo by PA Wire)

An overcrowded dinghy with migrants from different African countries is followed by members of the German NGO Jugend Rettet as they approach the Iuventa vessel during a rescue operation, off the Libyan coast in the Mediterranean Sea September 21, 2016. (Photo by Zohra Bensemra/Reuters)

A hooded protester throws a petrol bomb to riot policemen during clashes, following a rally marking the 43rd anniversary of a 1973 student uprising against the military dictatorship that was ruling Greece, in Athens, Greece, November 17, 2016. (Photo by Yannis Behrakis/Reuters)

A supporter of the Houthi movement attends a rally marking the birth anniversary of Prophet Mohammed, in Sanaa, Yemen December 11, 2016. (Photo by Khaled Abdullah/Reuters)

Barber Herman Mulyana (R) gives a haircut to a customer while wearing protective attire made from plastic garbage bags at a barbershop in Bogor, Indonesia, 06 April 2020. The Trade Ministry of Indonesia issued a regulation temporarily recinding all requirements for the import of protective gear and medical equipment, to counter shortages of many items used to treat COVID-19 patients and prevent the further spread of the disease. (Photo by Adi Weda/EPA/EFE)