Singer Selena Gomez performs at the PNC Bank Arts Center on August 20, 2011 in Holmdel, New Jersey. (Photo by Michael Loccisano/Getty Images)

Shakira performs in concert at the Lluis Campanys Olympic Stadium on May 29, 2011 in Barcelona, Spain. (Photo by Robert Marquardt/Getty Images)

KARA perform on stage during their first solo concert KARASIA at Olympic gymnasium on February 18, 2012 in Seoul, South Korea. (Photo by Chung Sung-Jun/Getty Images)

Fireworks explode over the Quadriga statue atop the Brandenburg Gate on New Year's Eve on January 1, 2012 in Berlin, Germany. According to the media, up to one million people celebrate the country's biggest New Year's Eve Party. (Photo by Andreas Rentz/Getty Images)

Raising a flag over the Reichstag is a historic World War II photograph taken during the Battle of Berlin on 2 May 1945, by Yevgeny Khaldei.

Cocoa Beach, Florida, USA. 7th October, 2016. Kaleigh Black, 14, left, and Amber Olsen, 12, run for cover as a squall with rain and wind pelt them while they explore the Cocoa Beach Pier on Friday (10/7/16) after hurricane Matthew passed to the east on Florida's east coast.(Photo by Douglas R. Clifford/Tampa Bay Times/ZUMA Wire/Alamy Live News)

Pine trees are seen after a forest fire near Sao Pedro do Sul, Portugal August 14, 2016. Deadly wildfires raging for two weeks in Portugal have destroyed a wooded area the size of 100,000 soccer fields, and the small Iberian nation alone accounts for half of all forests burned in the European Union this year. (Photo by Rafael Marchante/Reuters)

Cars at a car dealership are seen in the flooded village of Fischerdorf, near Deggendorf June 7, 2013. REUTERS/Michaela Rehle