This bat gives a cheeky smile as he gobbles down his food at Singapore Zoo, on September 10, 2013. (Photo by Benny Iskander/HotSpot Media)

“Don't take the life too serious”. (Photo by David Olkarny)

An x-ray of a woman drinking, taken by British artist and photographer Hugh Turvey in London, England. (Photo by Hugh Turvey/SPL/Barcroft Media)

“When We're Gone... Memories Of Us Are All That Remain”, 2011. (Photo by: Trini61; Source: Flickr)

Sleeping Baby Bunny. A 6 day old baby bunny with mouth open while sleeping =D. Photo by Crezalyn Nerona Uratsuji

Monsoon thunderstorm in Sierra Vista, Arizona. 9 Sept, 2011. (Photo by Steven Maguire)

American soldiers leaping from an armoured personnel carrier during exercises in Korea, 17th March 1954. (Photo by Three Lions)