“The Yao nationality is a government classification for various minorities in China. They form one of the 55 ethnic minority groups officially recognized by the People's Republic of China, where they reside in the mountainous terrain of the southwest and south”. – Wikipedia

Photo: A woman combs her hair at the Huangluo Village of the Yao ethnic group in Guilin, south China's Guangxi Zhuang Autonomous Region, July 15, 2012. The Huangluo Village of the Yao ethnic group locates at the Longji Terraces in Heping Town of Longsheng County in Guilin. Women here have the tradition of keeping long hair. They believe that long hair brings good luck and fortune. The average length of hair of 180 women in the village is 1.7 meters. (Photo by Lu Boan/Xinhua)

Filipino typhoon survivor children, who escaped after their village was attacked by allegedly armed men, wait for social workers in the super typhoon devastated city of Tacloban, Leyte province, Philippines, 13 November 2013. Aid workers and relief supplies were being poured into eastern provinces hit by Typhoon Haiyan, which aid agencies and officials estimated has left thousands dead and staggering destruction in its wake. The official death toll in the Philippines from one of the world’s strongest typhoons rose to 1,833, the national disaster relief agency said with many towns still unaccounted for. (Photo by Dennis M. Sabangan/EPA)

A passenger waits after his train arrived in Nouadhibou, Mauritania’s second largest city and the main export port for the country’s iron ore industry, on June 25, 2014. The mining company’s employees proudly call their firm the lung of their nation's economy and the train that ferries the ore to the coast stretches some two kilometres, making it one of the world's longest. SNIM mines black iron ore in the northern town of Zouerate, a remote desert location which nevertheless attracts people from all over the country looking for work. (Photo by Joe Penney/Reuters)

A knife is seen beside a bowl containing blood after a ram was killed as a sacrifice in front of a shrine at the annual voodoo festival in Ouidah, Benin, January 10, 2016. In Ouidah, a small town and former slave port in the West African country of Benin, the annual voodoo festival gathers visitors from far and wide. It's a week that brings together priests and dignitaries, rich and poor, locals and visitors from as far afield as the Caribbean and France. The festival commemorates the estimated 60 million people who lost their homelands and their freedom during the African slave trade. (Photo by Akintunde Akinleye/Reuters)

17 people were photographed by Reuters apparently casting ballots at more than one polling station Sunday during Russia’s presidential election in the town of Ust-Djeguta, southern Russia. Many appeared to be state employees, and some showed up in groups and in mini buses bearing the names of state-provided services. Voting twice is a misdemeanour under Russian law and those caught are heavily fined. But when shown these pictures, election commission member Leila Koichuyeva said: “They could be twins”. Here are a few. (Photo by Reuters/Staff)

Mayon Volcano spews ash and lava in the town of Daraga, Albay province, Philippines, 25 January 2018. Mayon volcano located in eastern Philippines and active over the last 10 days spewed fresh lava and ash while the number of evacuees exceeded 60 thousand in the face of the threat of an even more potent explosion. The Philippines, which currently has 23 active volcanoes, is situated on the so-called 'Pacific Ring of Fire', an area known for its intense seismic activity which extends from the west coast of the American continent to New Zealand, Japan, the Philippines and Indonesia. (Photo by Francis R. Malasig/EPA/EFE)

These heartbreaking photo show a confused family of elephants attempting to navigate a railway line built straight through their habitat on October 16, 2012. Taken by Biplab Hazra in Bishnupur, India, the images show the extreme lengths the inhabitants of the town go to to deter elephants from damaging their crops and property. As the images show, villagers often resort to extreme tactics in an effort to drive the elephants out with one shocking photograph revealing firebombs being launched at a mother and calf as they cross the road. Elephants encroaching out of their habitats is an increasingly common occurrence with deforestation in much of India. (Photo by Biplab Hazra/Caters News Agency)

A crane loads logs at the Novoyeniseisk wood processing plant, with the air temperature at about minus 20 degrees Celsius (minus 4 degrees Fahrenheit), in the town of Lesosibirsk in Krasnoyarsk Region, Siberia, Russia, February 16, 2016. The plant exports timber to Europe, Northern Africa and Asia. The Taiga, also known as the boreal forest, on the coast of the Angara River and Yenisei River is one of the main areas for the industrial cutting of wood thanks to the high quality of the Angara pine. Open air work continues all year around regardless to temperatures which can drop to minus 52 degrees Celsius (minus 61.6 degrees Fahrenheit), according to employees. (Photo by Ilya Naymushin/Reuters)