People walk during a polluted day in Shenyang, Liaoning province, March 31, 2016. (Photo by Reuters/Stringer)

A woman struggles with an umbrella in the wind and rain while walking in Derby city centre, on December 23, 2013. (Photo by Rui Vieira/PA Wire)

A competitor tries to clear a jump during the RHL Beach Race at Weston-Super-Mare on October 9, 2011 in Weston-Super-Mare, England. (Photo by Richard Heathcote/Getty Images)

A tired-looking Javan Fish Owl. (Photo by Fox Photos/Getty Images). 5th December 1973

A woman rides a mechanical bull before participating in the 4th annual Running of The Bulls October 15, 2011 in Cave Creek, Arizona. (Photo by Joshua Lott/Getty Images)

School leavers celebrate their graduation in Moscow's Red Square in Moscow, Russia on June 20, 2019. (Photo by Artyom Geodakyan/TASS)

The mummy of Yuya thought by some to be Josua who, after Moses, led the Hebrews into the Promised land and logically would be the father-in-law of Amenophis III, at Cairo Museum, Egypt. (Photo by Patrick Landmann/Cairo Museum/Getty Images)

Hjalmar kneads the raw candy paste on a table on October 12, 2007 in Berlin, Germany. The Berlin based candy store produces 30 different kinds of handmade candies according traditional recipes. (Photo by Andreas Rentz/Getty Images)