In this March 30, 2020, photo, Zandile Mlotshwa, 21, cashier at Spar supermarket in the Norwood suburb of Johannesburg, counts her cash at the end of her shift. From South Africa to Italy to the U.S., grocery workers – many in low-wage jobs – are manning the front lines amid worldwide lockdowns, their work deemed essential to keep food and critical goods flowing. (Photo by Jerome Delay/AP Photo)

A woman wearing a protective mask walks outside a village that was placed under lockdown due to the number of COVID-19 cases among residents in Manila, Philippines on Thursday, March 11, 2021. The Philippine capital placed two villages and two hotels on lockdown Thursday and police have renewed warnings against kissing and other “public display of affection” after a new surge in coronavirus infections. (Photo by Aaron Favila/AP Photo)

Maria Menounos and Derek Hough sit courtside as the Celtics play the Lakers in Los Angeles, March 2012. (Photo by Lucy Nicholson/Reuters)

Australian ballet dancer Marilyn Rowe prepares to perform Swan Lake with the Australian Ballet at the Canberra Theatre in 1978. Rowe was appointed director of the Australian Ballet School in 1999. (Photo by John Crowther/The Guardian)

Palestinians watch a man performs acrobatics on the beach of Gaza City, Friday, June 4, 2021. (Photo by Khalil Hamra/AP Photo)

A Parisian dances at the installation Electronica, a unique look at the great classics of 20th century electronic music, played under the vaults at the Collège des Bernardins part of Nuit Blanche, an annual evening festival of culture and art on October 03, 2020 in Paris, France. Scaled down this year because of the Covid-19 pandemic, the festival is split across the left and right banks of the city with many outdoor exhibitions to enable social distancing. (Photo by Kiran Ridley/Getty Images)

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)

An orphaned rhesus monkey and white dove that seemed to have lost its mate forged a special bond at the Neilingding Island-Futian National Nature Reserve in China. The monkey was born on the island but had strayed from its mother. Luckily, it was taken in by work staff in the protection center and became friends with the pigeon that had lingered there after possibly losing its mate. (Photo by CNImaging/Photoshot)