Eight-year-old Niu Dongfang trains at the No. 2 Beijing Shuangqiao School January 13, 2005 in Beijing, China. Most of students in the gymnastics school have to study more than five years from as young as age six before they become athletes. (Photo by Guang Niu/Getty Images)

Kurt Arrigo is Malta’s most eminent and one of the world’s finest marine photographers. ­­His illustrious and diverse career has seen him capture dramatic action at elite international sporting events.

Seljalandsfoss waterfall, located in Iceland. Seljalandsfoss is one of the most famous waterfalls of Iceland. This waterfall of the river Seljalandsá drops 60 metres (200 ft) over the cliffs of the former coastline. It's possible to go behind the waterfall. (Photo by HotSpot Media)

Geof Kern is an internationally renown photographer based in Dallas. He stands among the most awarded American photographers.

Most pet cats will become timid or defensive when outdoors, but not Millie – after being adopted by her mountain-climbing owner Craig Armstrong, Millie has become a feline hiking and mountain-climbing legend.

Steve McCurry has been a one of the most iconic voices in contemporary photography for more than 30 years, with scores of magazine and book covers, over a dozen books, and countless exhibitions around the world to his name.

Polish photojournalist Arkadiusz Podniesiński ventures into the most devastated areas of Japan's Fukushima Exclusion Zone.

A young girl navigates her way around Hampton Court maze in the spring sunshine on May 2, 2009 in London, England. The Hampton Court maze is one of the most famous hedge mazes in the world and was planted between 1689 and 1695 by George London and Henry Wise. (Photo by Dan Kitwood/Getty Images)