A member of Sakura circus team performs during the second day of a one week show in Padukka, near Colombo, Sri Lanka November 28, 2016. (Photo by Dinuka Liyanawatte/Reuters)

An upside-down pair of pants is seen atop a mound of snow, Wednesday, February 20, 2019, the result of yet another snow storm to hit Omaha, Neb. The latest winter storm dumped more snow on top of the existing snow, creating a problem of what to do with all the cleared snow. (Photo by Nati Harnik/AP Photo)

English lingerie and catwalk model and television personality Abbey Clancy seen attending Warner Music Brits after party in London, England on February 22, 2018. (Photo by Hewitt/SilverHub/Rex Features/Shutterstock)

Crews inflate hot air balloons during the 39th annual New Jersey Lottery Festival of Ballooning at Solberg Airport Friday, July 29, 2022, in Readington, N.J. The festival, which runs through Sunday, July 31, will feature as many as 100 balloons. (Photo by Julia Nikhinson/AP Photo)

In this July 29, 2016 photo, cowgirl Dariadna Corujo winds up to lasso a calf during an improvised rodeo event at a farm in Sancti Spiritus, central Cuba. At the tender age of 6, Dariadna is already an expert barrel racer and calf roper. In the flat grasslands of Sancti Spiritus, a group of neighboring cattle ranchers founded a non-governmental organization called Future Ranchers more than a decade ago to revive Cuba’s rodeo culture, which dates back centuries to Spanish colonial times. (Photo by Ramon Espinosa/AP Photo)

Aerobatic pilot Sean D. Tucker flies in the two-seat Oracle Extra airplane over downtown Chicago skyline, Wednesday, June 8, 2016. Tucker will perform before the start of of the America's Cup World Series racing on Saturday and Sunday. (Photo by Kiichiro Sato/AP Photo)

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.