A member of staff at Morton & Eden holds an extremely rare early Islamic gold coin on Thursday September 12, 2019, which is expected to fetch £1.4m at auction in London. Measuring a 20mm across, about the size of a modern £1 piece, it is one of the world's rarest and most treasured Islamic gold coins from the first dynasty of Islam, the Umayyad gold dinar dated 105h (723AD). (Photo by Victoria Jones/PA Images via Getty Images)

Brenda, a Honduran girl who is seeking asylum in the U.S., is carried from the Rio Grande in distress, where she had been bathing across the river from a Brownsville, Texas U.S. Customs and Border Protection tent facility as immigration hearings were being held by video teleconference, in Matamoros, Mexico September 12, 2019. Most of the people living in an encampment near the Gateway International Bridge have been sent back under the “Remain in Mexico” program, officially named Migrant Protection Protocols (MPP). (Photo by Veronica G. Cardenas/Reuters)

A person stops to take a picture of the sun setting behind the San Francisco skyline as seen from Grizzly Peak Boulevard in Oakland, Calif., Thursday, Dec. 31, 2020. (Photo by Jose Carlos Fajardo/Bay Area News Group via AP Photo)

A morgue attendant at the Johannesburg branch of the South African funeral and burial services company Avbob keeps the curtain open from inside a refrigerated container where bodies of patients deceased with COVID-19 related illnesses are kept isolated ahead of their burials on January 22, 2021. (Photo by Marco Longari/AFP Photo)

An aerial view shows local residents visiting a river side park in Taipei during the Lunar Mew Year on February 19, 2021. (Photo by Sam Yeh/AFP Photo)

A walruses at Hagenbeck Zoo in Hamburg, Germany on July, 7, 2015. (Photo by Werner Struss/Startraks action)

India: A sweeper cleans the side of a road near a replica of the Eiffel Tower amid heavy fog in the early morning in the northern Indian city of Chandigarh January 18, 2010. (Photo by Ajay Verma/Reuters)

Nikolai Vasilyev, 62, dressed as Father Frost, Russian equivalent of Santa Claus, water-skis along the Yenisei River outside Siberian city of Krasnoyarsk, Russia, December 10, 2015. Vasilyev, a teacher of the Krasnoyarsk Aerospace Academy, constructed the self-made water skis to travel on the water surface. The skis are made of plastic foam and the sticks are designed to propel him forward. (Photo by Ilya Naymushin/Reuters)