An employee controls the arms of a manned biped walking robot “METHOD-2” during a demonstration in Gunpo, South Korea, December 27, 2016. It stands 13-feet (3,96 m) tall, weighs 1.3 tons and wields a pair of 286-pound (129,73 kg), motion-tracking metal arms. (Photo by Kim Hong-Ji/Reuters)

A combination picture shows participants in costume at a Halloween parade in Kawasaki, south of Tokyo, October 25, 2015. More than 100,000 spectators turned up to watch the parade, where 2,500 participants dressed up in costumes, according to the organiser. (Photo by Yuya Shino/Reuters)

Rungis is a commune in the southern suburbs of Paris, France. It is best known as the location of the large wholesale food market serving the Paris metropolitan area and beyond, the Marché d'Intérêt National de Rungis, said to be the largest food market in the world. The name Rungis was recorded for the first time in a royal charter of 1124 as Rungi Villa. Here: swordfish are sold at the fish pavilion in Rungis International food market as buyers prepare for the Christmas holiday season in Rungis, south of Paris, December 11, 2015. (Photo by Philippe Wojazer/Reuters)

Boats of fishermen are seen on the dried Poopo lakebed in the Oruro Department, south of La Paz, Bolivia, December 17, 2015. Lake Poopo in Bolivia, the Andean nation's formerly second largest after the famed Titicaca, has dried up entirely. With the water now gone, animals have died off in the millions, according to studies. And the local families, having lost much of their sustenance, have been forced to migrate. (Photo by David Mercado/Reuters)

Members of the Old Surrey Burstow and West Kent Hunt ride to Chiddingstone Castle for the annual Boxing Day hunt in Chiddingstone, south east England December 26, 2014. Since a ban stopped fox hunting with hounds, hunts continued with dogs chasing down a pre-laid scented trail instead of a fox. (Photo by Luke MacGregor/Reuters)

Naga Sadhus or Hindu holy men, smeared with ash, drink tea inside their makeshift camps near the confluence of river Ganges and the Bay of Bengal, ahead of Makar Sankranti festival at Sagar Island, south of Kolkata January 13, 2015. Hindu monks and pilgrims are making their annual trip to Sagar Island for the one-day festival of “Makar Sankranti” on Wednesday. (Photo by Rupak De Chowdhuri/Reuters)

An instructor guides a student from the General Yermolov Cadet School as she aims with a gun during a field exercise outside the south Russian city of Stavropol January 24, 2015. The General Yermolov Cadet School in Stavropol is a state-run institution that teaches military and patriotic classes in addition to a normal syllabus. (Photo by Eduard Korniyenko/Reuters)

A man looks at the wax figure of Marilyn Monroe at Grevin Wax Museum in central Seoul, South Korea, July 30, 2015. French wax museum Musee Grevin has opened its first Asian branch in central Seoul with about 80 wax figures including those from hallyu (the Korean pop culture wave) displayed, according to local media. (Photo by Kim Hong-Ji/Reuters)