A baby rhesus macaque (Macaca mulatta) looks up as it plays with a tiger cub at a zoo in Hefei, Anhui province, August 2, 2012. (Photo by Jianan Yu/Reuters)

A driver maneuvers his classic American car along a wet road as a wave crashes against the Malecon in Havana, Cuba on Thursday. Hurricane Sandy blasted across eastern Cuba as a potent Category 2 storm and headed for the Bahamas after causing at least two deaths in the Caribbean. (Photo by Ramon Espinosa/Associated Press)

A bakery worker rides a bicycle as he carries fresh bread on his head in Cairo, Egypt, February 9, 2016. (Photo by Asmaa Waguih/Reuters)

Carnival revellers pose during the postponed “Rosenmontag” (Rose Monday) parade in Mainz, Germany, May 8, 2016, after the original parade in February was cancelled due to severe weather. (Photo by Ralph Orlowski/Reuters)

Idols of the Hindu god Ganesh, the deity of prosperity, are transported to places of worship on the first day of the Ganesh Chaturthi festival in Mumbai, India, September 5, 2016. (Photo by Danish Siddiqui/Reuters)

Iranian Arabs who are members of the paramilitary Basij force march in a military parade marking the 35th anniversary of Iraq's 1980 invasion of Iran, in front of the shrine of late revolutionary founder Ayatollah Khomeini, just outside Tehran, Iran, Tuesday, September 22, 2015. (Photo by Vahid Salemi/AP Photo)

Labourers load a three-wheeled vehicle onto the back of a van at the Mercato market in Addis Ababa October 9, 2015. Addis Ababa's “Mercato” – Italian for “market” – is reputedly the biggest open-air market in Africa, lying in the west of the capital. (Photo by Tiksa Negeri/Reuters)

Tourists walk above a tea plantation in Enshi, Hubei province, December 27, 2015. (Photo by Reuters/Stringer)