A Thorneycroft motor van as used during World War I. (Photo by Topical Press Agency/Getty Images). August 1914

A freshwater stingray pup looks out from a holding tank at Bristol Zoo's aquarium on January 20, 2012 in Bristol, England. (Photo by Matt Cardy/Getty Images)

In this handout image provided by Carnival Australia, captain of the Queen Mary 2 Christopher Rynd poses on the desk of the Queen Mary 2 on February 8, 2012 in Perth, Australia. (Photo by James Morgan/Carnival Australia via Getty Images)

Giant Olympic rings are towed on The River Thames past The Tower of London on February 28, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

American students going wild during their Spring Break week-long recess in Cancun, Mexico on March 10, 2007. (Photo by Keystone USA/ZUMA Press/Rex Features/Shutterstock)

Sport category, winner: Yuan Peng. Liu Bingqing and Liu Yujie are twin sisters who have studied and trained in gymnastics since their early childhood in Jining, China. (Photo by Yuan Peng/Sony World Photography Awards)

Taiwanese-US artist Chin Chih Yang poses for a photograph with 30,000 aluminum cans after his performance called “Kill Me or Change” in Taipei, Taiwan, 23 April 2016. “Kill Me or Change!” is a performance piece that aims to raise awareness of the benefits of recycling and, encourage people to recycle to conserve resources. (Photo by Ritchie B. Tongo/EPA)