In this timed-exposure night photo taken early on February 12, 2017, Mount Sinabung volcano spews reddish smoke and ash, as seen from the Karo district in North Sumatra province. Activity levels have increased in the past week, with Sinabung shooting hot ash clouds into the sky dozens of times, according to the local volcano monitoring agency. (Photo by AFP Photo/Stringer)

In this photo taken Wednesday, March 8, 2017, a woman herder sits with her goats in a remote desert area near Bandar Beyla in Somalia's semiautonomous northeastern state of Puntland. Somalia has declared the drought a national disaster, part of what the United Nations calls the largest humanitarian crisis since the world body was founded in 1945, and with animals being central to many the drought threatens their main sources of nutrition and survival. (Photo by Ben Curtis/AP Photo)

This picture taken on February 18, 2017 shows a customer holding a crested black macaque in Tomohon market in northern Sulawesi, Indonesia. Authorities and activists are stepping up efforts to persuade villagers on Sulawesi island to stop consuming the critically endangered crested black macaques, one of many exotic creatures that form part of the local indigenous community' s diet. The macaque' s meat is prized by the ethnic Minahasan people, a largely Christian group in the world' s most populous Muslim- majority country, who have no reservation about eating exotic animals, unlike Indonesia' s Islamic communities. (Photo by Bay Ismoyo/AFP Photo)

This picture taken on April 12, 2017 shows men carrying bamboo through a forest near Dashan village near the city of Lin'an, Zhejiang Province. Lin'an is in a area of eastern Zhejiang province whose rich bamboo forests are estimated to supply up to two-thirds of China's bamboo shoots, plus a range of other products derived from the fast-growing plant that are produced both for domestic and overseas markets. (Photo by Johannes Eisele/AFP Photo)

In this photo taken on Saturday, April 22, 2017, a drawing “King for a day” is made on the back of a muddy truck by artist Nikita Golubev in Moscow, Russia. The grimy trucks traversing the polluted and dusty streets of Moscow have inspired Golubev to use white vans and trucks as his canvas to create this ephemeral street art and signs his drawings Pro Boy Nick. (Photo by Pavel Golovkin/AP Photo)

In this picture taken on June 24, 2017 participants take part in the “Women's Beautiful Buttock series” contest shopping mall in Shenyang, Liaoning province. Ladies from different parts of China gathered in Shenyang to show off their perfect curves during the competition. While it is unclear who ended up taking home 1st place, it looks like everyone had a good time regardless of whether or not they won the title. In November 2016, Brazil held a similar competition, Miss BumBum, which was attended by more than 10 million people. Erika Canela, a 24-year-old beauty from Bahia won the main title of the contest. (Photo by AFP Photo/Stringer)

In this picture taken late on June 13, 2017, physiotherapist Masayuki Ozaki takes a bath with his silicone s*x doll Mayu at a love hotel in Yachimata, Chiba prefecture. Around 2,000 of the life- like dolls – which cost around 6,000 USD and come with adjustable fingers, removable head and life- like genitals – are sold each year in Japan, according to industry insiders. (Photo by Behrouz Mehri/AFP Photo)

Behaviour winner; Courting Royals: two royal terns in courtship display by Kristian Bell. Another beautiful morning on a beautiful beach on the Gulf Coast of Florida seemed to prompt these two royal terns to commence an intricate courtship dance. The photograph was taken with a Canon 300mm lens and 2x extender. (Photo by Kristian Bell/Deakin University/Royal Society Publishing Photography Competition 2018)