General view of “Marie Claire” Magazine Film Exhibition at Oquendo street during 59th San Sebastian Film Festival on September 22, 2011 in San Sebastian, Spain. (Photo by Carlos Alvarez/Getty Images)

Sister Milly Wu (16) and Chloe Wu (18), both students from Manchester pose for photographs at the Hyper Japan 2012 Event at the Earls Court Exhibition Centre on February 24, 2012 in London, England. (Photo by Matthew Lloyd/Getty Images)

Revelers celebrate the Indian festival of Holi on a boat cruise around part of Manhattan on March 17, 2012 in New York City. During the Hindu festival of Holi, also known as the Festival of Colors, which marks the arrival of spring, participants throw colored powder and water on one another. Many of the New York participants are Indian-American. (Photo by Mario Tama/Getty Images)

Gothic enthusiast poses during the annual Wave-Gotik-Treffen music festival on May 26, 2012 in Leipzig, Germany. The event began in the 1990s and has since grown into one of the biggest gatherings of Goth scene followers in Europe with around 20,000 participants. (Photo by Adam Berry)

Doesn’t taking a nap in a hammock outdoors sound lovely? Perhaps not when you’re hanging in the air, thousands of feet above ground, between two mountains in the Italian Alps! Which is exactly what these adventurous folks did during the International Highline Meeting in Monte Piana, Italy. (Photo by Sebastian Wahlhuetter Photography)

A long-tailed macaque grabs a necklace from a statue during the annual Monkey Buffet Festival at the Pra Prang Sam Yot temple in Lopburi, north of Bangkok November 30, 2014. The festival provides food and drinks to the local monkey population, which numbers more than 2,000, to thank them for drawing tourists to the town. (Photo by Damir Sagolj/Reuters)

Yulin, a city in southern China, celebrates the summer solstice by throwing a festival that involves the slaughter and consumption of as many as 10,000 dogs. Not everyone in China supports such practices, however; 65-year-old Yang Xiaoyun, a retired teacher who runs an animal shelter in Tianjin, traveled more than 2,400 km (1,500 miles) and spent more than 7,000 yuan ($1,100 or €990) to save 100 dogs from certain death.

A model showcases designs on the catwalk by Manning Cartell during A Review of Australian Fashion Week show as part of Mercedes Benz Fashion Festival Sydney 2011 at Sydney Town Hall on August 27, 2011 in Sydney, Australia. (Photo by Don Arnold/Getty Images)