CORINTH CANAL: Belem, the three-masted sailing ship carrying the Olympic flame to France, is towed through the Corinth Canal in Greece on Sunday, April 28. The Summer Games are being held in Paris this summer (Michael Varaklas/AP)

LONDON: Britain's King Charles III meets with staff members at the University College Hospital Macmillan Cancer Centre in London on Tuesday, April 30. It was the King's first official engagement since he revealed that he was battling cancer in early February (Suzanne Plunkett/Reuters)

COLOGNE: A flamingo sits in the sun at the Cologne Zoo in Germany on Tuesday, April 30 (Rolf Vennenbernd/Picture Alliance via Getty Images)

KAMUCHIRI: Young men inspect a vehicle that was damaged by floods in the Kenyan village of Kamuchiri on Monday, April 29. River Talek, one of the tributaries of the Mara River, burst its banks and swept through more than a dozen riverside tourist lodges and camps. At least 188 people were killed in the catastrophic flooding (Luis Tato/AFP/Getty Images)

DONG NAI: This aerial photo shows a fisherman collecting dead fish from the Song May reservoir in southern Vietnam's Dong Nai province on Tuesday, April 30. Fishermen have been working to wade through and collect the hundreds of thousands of dead fish that have blanketed the reservoir amid a ferocious heatwave (AFP/Getty Images)

TEL AVIV: US Secretary of State Antony Blinken, center, is welcomed by Mike Herzog, the Israeli ambassador to the United States, after arriving at the Ben Gurion Airport near Tel Aviv, Israel, on Tuesday, April 30. (Evelyn Hockstein/Reuters)

SEVINGTON: This aerial picture shows freight trucks and heavy goods vehicles parked at the Sevington Inland Border Facility, between the English villages of Sevington and Mersham, on Monday, April 29. Tuesday marked the long-delayed start of post-Brexit physical inspections of plant and animal imports from the European Union. The spot checks will apply initially to products such as meat, cheese and some fish, and eventually to a range of vegetables and fruit (Ben Stansall/AFP/Getty Images)

RIMINI: Bulgaria's Viktoria Ventsislavova competes on the balance beam during the European Women's Gymnastics Championships on Thursday, May 2 (Gabriel Bouys/AFP/Getty Images)

SOLPHUR: This home in Sulphur, Oklahoma, was heavily damaged by a tornado that hit on Saturday, April 27. At least four people were killed in Oklahoma after an overnight tornado outbreak (Bryan Terry/The Oklahoman/USA Today Network)

JIUQUAN: From left, Chinese astronauts Li Guangsu, Li Cong and Ye Guangfu wave to people before the start of their manned space mission Saturday, April 27, at the Jiuquan Satellite Launch Center in northwestern China (Andy Wong/AP)