A horse-drawn cart passing through a section cut out of the base of a giant sequoia tree in the Mariposa groves of Yosemite Park, California. (Photo by Carleton E Watkins/Getty Images). 1870

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.

Model Kendall Jenner arrives at the 42nd American Music Awards in Los Angeles, California November 23, 2014. (Photo by Danny Moloshok/Reuters)

General view of the atmosphere at the Halloween celebrating in city centre on October 29, 2021 in Newcastle, United Kingdom. (Photo by Newcastle New Projects)

A child plays with a plastic badminton racket in the old quarters of Delhi, India, March 3, 2016. (Photo by Anindito Mukherjee/Reuters)

Actress Emma Watson attends the World Premiere of Harry Potter and The Deathly Hallows – Part 2 at Trafalgar Square on July 7, 2011 in London, England. (Photo by Ian Gavan/Getty Images)

Pawel Karpinski and Nadine Kinczel of Poland dance as they compete during IPC Wheelchair Dance Sport European Championships in Lomianki near Warsaw, November 9, 2014. (Photo by Kacper Pempel/Reuters)

An ultra-Orthodox Jewish bride takes part in the “mitzva tantz”, the custom in which relatives dance in front of the bride after her wedding ceremony, in Netanya, Israel, early March 16, 2016. (Photo by Baz Ratner/Reuters)