A showgirl in a face mask stands by the door at the reopening of Bally's Las Vegas hotel and casino, Thursday, July 23, 2020, in Las Vegas. The casino reopened for the first time since March following a closure to prevent the spread of the coronavirus. (Photo by John Locher/AP Photo)

Elephants dust themselves with soil at Taigan safari park in Belogorsk, Crimea on May 4, 2021. (Photo by Alexey Pavlishak/Reuters)

A woman holds up the Chinese national flag as people gather to watch the the launch of the Long March 5B rocket carrying China's Tianhe space station core module from the Wenchang Spacecraft Launch Site in Hainan Province, China, 29 April 2021. China launched into space the core module of its space station, marking the beginning of a series of launch missions to complete the space station by the end of next year. (Photo by Matjaz Tancic/EPA/EFE)

Participant Elena Tsagrinou of Cyprus performs during first semi-final of the 2021 Eurovision Song Contest in Rotterdam, Netherlands on May 18, 2021. (Photo by Piroschka Van de Wouw/Reuters)

Andy Saturn dressed in a space outfit walks in through a subway station over memorial day weekend on May 29, 2021 in New York City. On May 19, 2021 all pandemic restrictions, including mask mandates, social distancing guidelines, venue capacities and restaurant curfews were lifted by New York Governor Andrew Cuomo. (Photo by Alexi Rosenfeld/Getty Images)

Ring-tailed lemurs sit on the hood of a truck while snacking inside the Buin Zoo in Santiago, Chile, Tuesday, June 15, 2021. The largest private zoo in Chile, experiencing a serious economic situation due to the closure of its doors as a result of the prolonged quarantine measures, has started a campaign coined, “Sponsor an Animal”, to raise money to maintain the animals. (Photo by Esteban Felix/AP Photo)

A looter smiles as she runs away from a member of the South African Police Services (SAPS) inside the Lotsoho Mall in Katlehong township, East of Johannesburg, on July 12, 2021. Several shops are damaged and cars burnt in Johannesburg, following a night of violence. Police are on the scene trying to control further protests. It is unclear if this is linked to sporadic protests following the incarceration of former president Jacob Zuma. (Photo by Phill Magakoe/AFP Photo)

This photo taken on October 20, 2018 shows tourists posing for a photo on a middle of a railway track passing through an old residential district in central Hanoi. (Photo by Nhac Nguyen/AFP Photo)