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.

Unloading a Cartopper from a UPRR work train at Port Barre Louisiana. Kinda scary to watch, but it worked like a charm.

Students pose for a pictures taken by their friends during spring break on the beach in the resort city of Cancun, Mexico, February 27, 2009. (Photo by Israel Leal/AP Photo)

A volcanic eruption at Mount Etna’s Vorgaine crater in Sicily, Italy on December 3, 2015. (Photo by Marco Restivo/Barcroft Media)

A chicken is seen next to the body of a woman killed by unknown gunmen at the market in a port area of Manila, Philippines October 28, 2016. Philippine President Rodrigo Duterte's war on drugs and other crimes took he office on June 30 has claimed 4,447 lives, according to official figures made available by police on November 10. (Photo by Damir Sagolj/Reuters)

Festival goers having fun at the Balaton Sound music festival in Zamardi next to the Lake of Balaton, 110 km (68 miles) west of Budapest, July 8, 2017. (Photo by Sandor Csudai)

This picture taken on April 5, 2022 shows a train travelling along a bridge past cherry blossoms in Tokyo's Shinagawa district. (Photo by Philip Fong/AFP Photo)