People wearing face masks to protect against the spread of the coronavirus walk on a crossing in Tokyo Tuesday, August 17, 2021. Japan’s coronavirus state of emergency will continue through Sept. 12 rather than finishing at the end of this month as initially planned, the government decided Monday. (Photo by Koji Sasahara/AP Photo)

A woman attends a banned demonstration planned in memory of Adama Traore, a 24-year old black Frenchman who died in a 2016 police operation which some have likened to the death of George Floyd, in front of a courthouse in Paris, France on June 2, 2020. (Photo by Gonzalo Fuentes/Reuters)

1: Dubai's Burj Khalifa is the tallest building in the world, but perhaps not for long. Saudi Arabia has announced plans to build a 1 kilometer (3,280 foot) tower into the sky, to be named the Jeddah Tower, scheduled for completion in 2020. The Burj Khallifa currently stands at 2,716 ft. (Photo by Matthias Seifert/Reuters)

Race winner USA's Mikaela Shiffrin reacts as she is symbolically crowned on the podium after competing in the Women's Giant Slalom on January 24, 2023 in Plan de Corones (Kronplatz), Dolomites Mountains, as part of the FIS Alpine World Ski Championships. (Photo by Marco Bertorello/AFP Photo)

From footballs to live fish, delivery mopeds piled high with unwieldy, unlikely goods are one of the Vietnamese capital’s most distinctive sights. As the city plans to ban motorbikes altogether, photographer Jon Enoch captured the drivers at work. (Photo by Jon Enoch/The Guardian)

A man tries to extinguish an advertisement board set on fire during a demonstration of French labour union members and workers, as France faces its 38th consecutive day of strike against French government's pensions reform plans, in Paris, France on January 11, 2020. (Photo by Gonzalo Fuentes/Reuters)

A picture made available on 14 July 2016 shows Greyhound dogs racing at the Wentworth Park Stadium in Sydney, New South Wales (NSW), Australia, 13 July 2016. Greyhound racing has returned to Sydney's Wentworth Park and other NSW tracks for the first time since the state government announced plans to ban it. NSW Premier Mike Baird announced last week plans to shut down the sport in NSW following a Special Commission of Inquiry report that found “chilling” evidence of systemic animal cruelty within the industry. (Photo by David Moir/EPA)

Google has built its first self-driving car prototypes and hopes to test hundreds more models this summer. If all goes well, the company is planning a pilot program in California over the next few years.