In this photo taken on Sunday, July 5, 2015, police officers walk along a giant poster to give an improved appearance, in downtown Ufa, Russia. Ufa will host SOC (Shanghai Cooperation Organization) and BRICS (Brazil, Russia, India, China and South Africa) summits July 7 to July 9, 2015. (Photo by Vadim Braydov/AP Photo)

A man wearing a Guy Fawkes mask enjoys a ride on a 350-meter (1148 feet) long water slide during 2015 City Silde Festa in central Seoul, South Korea, July 19, 2015. A 350 meter-long waterslide has been installed in downtown of Seoul, the longest waterslide to be recorded in Korea, according to local media. (Photo by Kim Hong-Ji/Reuters)

People leave a camp after a Peruvian police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. Picture taken August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

A giant Santa Claus, created and worn by local artist Ed Terrell, 66, walks home with his son and assistant, Rupanuga, 18, following a ceremony to decorate a scraggly Christmas tree with a single red Bulb in Reading, Pennsylvania, December 7, 2014. A ceremony to decorate the scraggly Christmas tree in Reading, Pennsylvania with a single red bulb, much like Charlie Brown's tree in the animated holiday classic, was postponed to Sunday from Saturday because of rain and cold temperatures, officials said. Officials decided to hold a re-dedication ceremony, which will include a Spanish and English reading from the movie's screenplay, and decorate it with a single red bulb, as in the 1965 animated television special, “A Charlie Brown Christmas”. (Photo by Mark Makela/Reuters)

The Thom Browne Fall 2015 collection is modeled during New York Fashion Week, Monday, February 16, 2015. (Photo by Diane Bondareff/AP Photo)

A woman uses her smartphone before the Chanel Cruise Collection 2015/16 fashion show at the Dongdaemun Design Plaza in Seoul, May 4, 2015. (Photo by Thomas Peter/Reuters)

A worker stack bricks on his head at a brick factory in Lalitpur January 12, 2015. (Photo by Navesh Chitrakar/Reuters)

Cats gather in front of a house damaged by shelling in the town of Dokuchayevsk, south of Donetsk, February 12, 2015. (Photo by Maxim Shemetov/Reuters)