The 'Cats that Look like Pin-Up Girls' Tumblr features a variety of similarly posed felines. Once the pinnacle of female sexuality, pin-up girls have changed and evolved throughout the years to become the modern day Playboy Bunnies and Sports Illustrated models they are now recognized as.

A Japanese girl poses in a costume at a Chara Fes (character festival) event on October 26, 2003 in Tokyo. Cosplay (costume play) is becoming popular among Japanese youths, whereby participants dress up as their favourite characters from comics, computer games and animation. (Photo by Junko Kimura/Getty Images)

One of two 9-month old Cheetahs is seen after it was released into a quarantine facility at Zoo Miami on November 29, 2012 in Miami, Florida. The two sub-adult brothers who arrived today were captive-born on March 6th of this year at the Ann van Dyk Cheetah Centre just outside of Pretoria, South Africa. The Cheetahs, after being monitored and examined for a minimum of 30 days to insure that they are healthy and stable, will be featured in Zoo Miami's Wildlife Show at the newly constructed amphitheater and will continue the work of Zoo Miami's Cheetah Ambassador Program by making appearances off Zoo grounds at a variety of venues including schools and civic organizations. (Photo by Joe Raedle)

Hundreds of onlookers descended upon White Rock beach, just south of Vancouver, Canada, on June 12, 2012 to mourn a beached whale that died on the sandy tidal flats. (Photo by Nick Procaylo/PNG/PNG Merlin Archive)

A construction worker sweeps up as the final touches are completed on “Comedy Carpet” by British artist Gordon Young, the latest art installation on Blackpool's promenade on October 7, 2011 in Blackpool, England. (Photo by Christopher Furlong/Getty Images)

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

Some 300 girls and women in India still practise open defecation. Over half the country’s population, 800 million people, do not have access to a toilet that meets basic standards. (Photo by Poulomi Basu/WaterAid)