A helicopter drops fire retardent to protect a property in Balmoral, 150 kilometres southwest of Sydney on December 19, 2019. A state of emergency was declared in Australia's most populated region on December 19, as a record heat wave fanned unprecedented bushfires. (Photo by Peter Parks/AFP Photo)

A health official checks the body temperature of a burqa-clad woman passenger amid concerns over the spread of the COVID-19 novel coronavirus at the Lahore Railway station in Lahore on March 19, 2020. (Photo by Arif Ali/AFP Photo)

A nurse at St. Joseph's Hospital wears a unique mask as the hospital celebrates the release of a COVID-19 patient after 45 days in their care during the outbreak of the coronavirus disease (COVID-19) in Orange, California, U.S., May 5, 2020. (Photo by Mike Blake/Reuters)

Coronavirus infection (COVID-19) is still continuing in the country, a guard of Gyeongbokgung Palace wears a protective mask with a goblin pattern at the entrance of the palace, which is currently not being opened to the public due to Covid-19 in Seoul, South Korea on June 18, 2020. (Photo by Chris Jung/NurPhoto via Getty Images)

A model applies lipstick backstage during the “We Love Flamenco” fashion show in the Andalusian capital of Seville January 14, 2015. The show will run until January 18. (Photo by Marcelo del Pozo/Reuters)

Youtubers wearing masks of pigs film a video at a shopping district which has fewer people than usually amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan, May 19, 2020. (Photo by Kim Kyung-Hoon/Reuters)

South Korean residents 89-year-old Jeong Nam-poong and 80-year-old Jang Yoon-hui , wearing protective masks, dance at park after their daytime discotheque “colatec” has been closed amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 19, 2020. (Photo by Minwoo Park/Reuters)

Indigenous nurses from the Special Secretariat for Indigenous Health (Sesai) of the Arapiuns ethnic group and Tapuia ethnic groups perform a rapid COVID-19 test on Chief Domingos from the Arapium tribe on the banks of the lower Tapajos River in the municipality of Santarem in western Para on July 19, 2020. (Photo by Tarso Sarraf/AFP Photo)