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 is arrested during a mass gathering protest organised by the group called “UK Freedom Movement”, in Hyde Park in London as the country is in lockdown to help stop the spread of coronavirus, Saturday, May 16, 2020. The group claims that the coronavirus lockdown is illegal. (Photo by Kirsty Wigglesworth/AP Photo)

A woman stands in front of police officers during a Black Lives Matter protest in London, following the death of George Floyd who died in police custody in Minneapolis, London, Britain, June 7, 2020. (Photo by Dylan Martinez/Reuters)

A Filipino teacher checks a picture of a student shown on a tablet that is attached to robot during a graduation ceremony at a school in Taguig City, Philippines, 22 May 2020. At least 179 high school students received their diploma during an online graduation ceremony that was beamed live on Facebook as a measure to prevent the spread of the coronavirus and COVID-19 disease. (Photo by Francis R. Malasig/EPA/EFE)

Charistan Hood, 4, eats an ice cream near a picture of former President Barack Obama at the Black-owned Ice Cream Heaven store on Blackout Day 2020 on July 07, 2020 in Miami Gardens, Florida. Supporters of Blackout Day have committed to only spending money at Black-owned businesses to showcase the economic power of the Black community. (Photo by Joe Raedle/Getty Images)

Revellers attend the 25th edition of the Sziget Festival on August 9, 2017 in Budapest, Hungary. The Sziget Festival, one of the largest music and cultural festivals in Europe, celebrates its 25th anniversary in 2017, taking place from August 9-16 on the Hajogyari Sziget in Budapest. (Photo by Laszlo Mudra/Rockstar Photographers)

“Be prepared” is the motto of petite Doris Sherrell, vocalist and dancer with “Blackouts of 1942”. In the event of a bombing, the young lady had her social security number tattooed on one leg by artist Jack Julian, and address placed on the other limb for means of identification in Los Angeles, September 29, 1942. (Photo by AP Photo)

Indian Air Force personnel parade during the 85th Air Force Day celebrations at Hindon Air Force base in Ghaziabad on October 8, 2017. (Photo by AFP Photo/Stringer)