Visitors crowd an artificial wave swimming pool at a tourist resort to escape the summer heat in Daying county of Suining, Sichuan province, China, July 11, 2015. (Photo by Reuters/Stringer)
A worker stands on a ladder in front of a huge display at the exhibition stand of Italian carmaker Ferrari during the first press day, ahead of the 85th International Motor Show in Geneva March 3, 2015. REUTERS/Arnd Wiegmann
Children guarded by Hungarian police play on the ground after being detained along with other migrants who illegally crossed from Serbia to Hungary near the village of Asotthalom, Hungary, September 16, 2015. (Photo by Dado Ruvic/Reuters)
A racegoers walks into a rubbish bin following 2016 Melbourne Cup Day at Flemington Racecourse on November 1, 2016 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
Model Adriana Lima attends Madonna presents An Evening of Music, Art, Mischief and Performance to benefit Raising Malawi at Faena Forum on December 2, 2016 in Miami Beach, Florida. (Photo by Jeff Kravitz/FilmMagic for Raising Malawi)
ASCOT, ENGLAND - JUNE 17: Actor Simon Baker is seen on Day 1 during Royal Ascot 2015 at Ascot racecourse on June 17, 2015 in Ascot, England. (Photo by Alan Crowhurst/Getty Images for Ascot Racecourse)
In this photograph taken on June 28, 2015, a hiker in Hong Kong takes a picture of the city from a walking trail. The southern Chinese territory is crisscrossed by more than 180 miles of designated hiking trails. (Photo by Alex Ogle/AFP Photo)