Mothers-to-be show their belly paintings in Hefei, east China's Anhui province on May 8, 2020. (Photo by Rex Features/Shutterstock/China Stringer Network)
A National Guard member mounts guard as a man exercises during a rally against George Floyd death in Minneapolis police custody, in Los Angeles, California, U.S., June 2, 2020. (Photo by Mike Blake/Reuters)
Giraffes cross under the bridge of the Standard Gauge Railway (SGR) line inside the Nairobi National Park in Nairobi, Kenya, May 25, 2020. (Photo by Baz Ratner/Reuters)
In this picture taken with a drone a man and a woman enjoy the beautiful weather at the Langwieder See (Lake Langwieder) in Munich, Germany, Thursday, June 18, 2020. (Photo by Sven Hoppe/dpa via AP Photo)
Tourists ride in inflatable boats as they go rafting down a river at Buyun Mountain Scenic Spot on July 10, 2020 in Dalian, Liaoning Province of China. (Photo by Wang Hua/VCG via Getty Images)
A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)