Participants wearing Zentai costumes, or skin-tight bodysuits from head to toe, take part in a march down the shopping district of Orchard Road during Zentai Art Festival in Singapore May 23, 2015. Close to 50 participants strutted down the busy shopping district during the Zentai art festival which is jointly organized by the Japanese embassy. The festival includes performances and discussions on Zentai from May 22 to from June 5. (Photo by Edgar Su/Reuters)

The Borobudur temple seen illuminated during Vesak Day, commonly known as “Buddha's birthday”, at the Borobudur Mahayana Buddhist monument on May 6, 2012 in Magelang, Indonesia. Buddhists in Indonesia celebrate Vesak at the Borobudur temple annually, which makes it the most visited tourist attraction in Indonesia. Vesak is observed during the full moon in May or June and the ceremony centers around three Buddhist temples, whereby pilgrims walk from Mendut to Pawon, ending at Borobudur. The stages of life of Buddhism's founder, Gautama Buddha, which are celebrated at Vesak are his birth, enlightenment to Nirvana, and his passing. (Photo by Ulet Ifansasti/Getty Images)

A worker walks through a salt pan on the eve of May Day or Labour Day on the outskirts of the southern Indian city of Chennai April 30, 2014. India is the third largest salt producing country in the world after China and U.S. with global annual production about 230 million tonnes, according to government data. (Photo by Reuters/Babu)

Hungarian pilot and European champion Zoltan Veres flies under the oldest Hungarian bridge, the “Lanchid” (Chain Bridge) with his “MXS” type plane on May 1, 2014 during a Red Bull flying and car show around the Danube River of Budapest downtown. (Photo by Attila Kisbenedek/AFP Photo)

Young Ukrainians dance at nightclub House of Meteorologists, May 23, 2014. Sunday's upcoming election in Ukraine has not only exposed the divide between east and west, but between old and young. Unlike their elders, younger people have no memory of Soviet life, and most see themselves as Ukrainian. (Photo by Evelyn Hockstein/The Washington Post)

A woman presents an Afro-Colombian hairstyle during the 9th contest of Afro-hairdressers, in Cali, Valle del Cauca departament, Colombia, on May 12, 2013. The Afro hairstyles have their origins in the time of slavery, when women sat to comb their children hair after work. (Photo by Luis Robayo/AFP Photo)

Riot police stood by the gates of parliament in Nairobi, Kenya, Tuesday, May 14, 2013, during a demonstration against members of parliament who demanded higher wages. Demonstrators released two dozen piglets and poured blood on the pavement to protest the demands for a wage hike. (Photo by Carl de Souza/AFP Photo)

“The Africanis is a landrace of South African dogs. It is believed to be of ancient origin, directly descended from hounds and pariah dogs of ancient Africa, introduced into the Nile Valley from the Levant. The Swahili name for the breed is umbwa wa ki-shenzi meaning common or mongrel or “traditional dog”. Africanis is also an umbrella name for all the aboriginal dogs in southern Africa”. – Wikipedia. Photo: Africanis 18. Murraysburg, Western Cape, May 10, 2010. (Photo by Daniel Naudé)