A model poses with a motorcycle and a car on a racing track at the Essen Motor Show in Essen, Germany, November 27, 2015. (Photo by Ina Fassbender/Reuters)

People walk along a street with long-tailed macaques in Lopburi, north of Bangkok November 29, 2015. (Photo by Jorge Silva/Reuters)

A woman sells vegetables near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)

Brendan Fitzpatrick is a commercial photographer specialising in advertising and lifestyle photography. He also creates unique X-ray images marketed under the banner Invisible Light. Brendan is based in Sydney, Australia. (Photo by Brendan Fitzpatrick)

Evelyn Ramirez and Juan Manuel enjoy posting adorable photos of their pit bull on Instagram. However, their photos seem to be gaining traction online, thanks to their pet’s dapper get-ups.

Yaks head towards the Everest base camp in Solukhumbu District April 28, 2014. (Photo by Navesh Chitrakar/Reuters)

Thousands of species of amphibians are endangered and hundreds have already disappeared, but in recent years, a team of scientists and conservationists have re-discovered some of these “lost” species and uncovered previously unknown varieties. Here: Miniature glass frog. (Photo by Robin Moore)

Hungarian wrestlers fight during the Hungarian wrestling Championship in Budapest November 29, 2014. (Photo by Laszlo Balogh/Reuters)