People stand in the rain as they wait to enter the Martyrs' Mausoleum during a ceremony for Martyrs' Day in Yangon on July 19, 2020. Myanmar observed the 73rd anniversary of Martyrs' Day on July 19, marking the assassination of independence heroes including Aung San Suu Kyi's father, who helped end British colonial rule. (Photo by Sai Aung Main/AFP Photo)

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)

A boy with his bike is seen as rainbow appears after a rainfall in Edremit district of Van province in Turkey on July 08, 2020. (Photo by Ozkan Bilgin/Anadolu Agency via Getty Images)

The cruise ship Viking Sky as it drifts after sending a Mayday signal because of engine failure in windy conditions near Hustadvika, off the west coast of Norway, Saturday March 23, 2019. The Viking Sky is forced to evacuate its estimated 1,300 passengers. (Photo by Odd Roar Lange/NTB Scanpix via AP Photo)

Firefighters work to put out flames during a wildfire in Sokcho, South Korea, April 5, 2019. South Korea grappled with the massive blaze that roared through forests and cities along the eastern coast, declaring a national emergency and mobilizing all available resources to bring the inferno under control. (Photo by Yonhap via Reuters)

Skiers and snowboarders in swimwear during the Grelka Fest-2019 Festival at the Sheregesh ski resort, Kemerovo Region, Russia on April 13, 2019. (Photo by Kirill Kukhmar/TASS)

Young dancers from the Style Dance Academy perform during a Mother's Day block party in Caracas, Venezuela, Sunday, May 19, 2019. Although Mother's Day was officially celebrated the previous weekend, people in the Petare area organized the neighborhood party to celebrate the mothers of their community. (Photo by Rodrigo Abd/AP Photo)

An EF-2 tornado begins to rope out on the outskirts of Mangum, Oklahoma, U.S. on May 20, 2019. Multiple tornadoes touched down and heavy rain flooded areas across Oklahoma. (Photo by Brett Conner/ZUMA Wire)