A resident reacts as a health worker collects a swab sample to test for the Covid-19 coronavirus in Colombo on July 27, 2021. (Photo by Ishara S. Kodikara/AFP Photo)

A woman moves a sandbag along a flooded road in the aftermath of the heaviest recorded rainfall in Zhengzhou in central China's Henan province on Saturday, July 24, 2021. Rescuers used bulldozers and rubber boats to move residents out of flooded neighborhoods in central China on Saturday after torrential rains killed at least 56 people. (Photo by Dake Kang/AP Photo)

Colombia's Mercedes Isabel Perez Tigrero competes in the women's 64kg weightlifting competition during the Tokyo 2020 Olympic Games at the Tokyo International Forum in Tokyo on July 27, 2021. (Photo by Edgard Garrido/Reuters)

Supporters of former Haitian President Jean-Bertrand Aristide dance and drum as they wait near the airport for his expected arrival from Cuba, where he underwent medical treatment, in Port-au-Prince, Haiti, Friday, July 16, 2021. Aristide's return adds a potentially volatile element to an already tense situation in a country facing a power vacuum following the July 7 assassination of President Jovenel Moïse. (Photo by Fernando Llano/AP Photo)

Martina Maggio, Alice D'Amato, Lara Mori, Asia D'Amato, and Vanessa Ferrari of Team Italy pose in front of the rings during Women's Qualification on day two of the Tokyo 2020 Olympic Games at Ariake Gymnastics Centre on July 25, 2021 in Tokyo, Japan. (Photo by Mike Blake/Reuters)

A Lowrider rides on three-wheels on Sunset Blvd., in the Echo Park neighborhood of Los Angeles late Sunday afternoon July 18, 2021. (Photo by Damian Dovarganes/AP Photo)

USA's Jourdan Elizabeth Delacruz reacts as she competes in the women's 49kg weightlifting competition during the Tokyo 2020 Olympic Games at the Tokyo International Forum in Tokyo on July 24, 2021. (Photo by Edgard Garrido/Reuters)

A family member of a torch relay runner wearing a protective mask uses a portable electric fan to cool down as she attends a torch kiss event during Tokyo 2020 Olympic torch relay celebration at Shinagawa Central Park in Tokyo, Japan, July 21, 2021. (Photo by Issei Kato/Reuters)