In this March 14, 2015 photo, tourists take pictures from a viewing area at Iguazu Falls in Brazil. From walkways and bridges, viewers can count 270 water falls almost 100 meters (330 feet) high. (Photo by Jorge Saenz/AP Photo)
A cosplay enthusiast poses as Serasu Vikutoria of the Hellsing anime series during the “Anime Friends” annual event in Sao Paulo July 19, 2015. Anime Friends is one of Brazil's biggest events related to anime, manga and Japanese culture. (Photo by Nacho Doce/Reuters)
A life-size interactive inflatable sculpture of Stonehenge called “Sacrilege 2012” by English contemporary artist Jeremy Deller on display as part of the “Inflation!” exhibition curated by Mobile M + on April 24, 2013 in Hong Kong. The inflatable artwork is one of six on display as part of the exhibition which is open from April 25, 2013 until June 9, 2013. (Photo by Jessica Hromas)
Wellcome trust employee Zoe Middleton poses behind an artwork entitled “My Soul” by Katharine Dowson, which consists of a laser etched lead chrystal glass formation in the shape of a brain, and was created using the artists own MRI Scan, at Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)
MELBOURNE, AUSTRALIA - DECEMBER 26: A sand sculpture entitled 'Beetlemania' carved by Brad Goll from the USA and Karen Fralich from Canada is seen at the Creepy Crawlies Sandsculpting Exhibition on the Frankston waterfront on December 26, 2010 in Melbourne, Australia. International sand sculpture artists from around the world teamed up with their Australian counterparts to create the insect themed exhibition that will be open to the public until April, 2011. (Photo by Graham Denholm/Getty Images)
Visitors look at an installation by Olaf Metzel at the exhibition “ARTandPRESS” at Martin Gropius Bau on March 26, 2012 in Berlin, Germany. The exhibition shows works by artists who have interpreted the medium of newspapers and is open from March 23 to June 24. (Photo by Sean Gallup/Getty Images)
Photo report from 5th Anniversary International Exhibition Integrated Safety and Security Exhibition 2012 (ISSE-2012). From 22 to 25 May in Moscow almost 454 companies from 18 countries demonstrated their achievements of the safety and security ensuring at ISSE-2012 exhibition.