A Bon monk stands underneath portraits of Chinese leaders at Tong Men Monastery in Nyemo county, Tibet, China, 2015. Bon was the indigenous religion of Tibet before the arrival of Buddhism in the 7th century AD. The original Bon (Yungdrung Bon) was founded around 16,000 BC, according to the Bonpo. Today, Bon can be found in the more isolated parts of northern and western Tibet. According to the Chinese census, about 10% of Tibetans (about 100,000 people) follow Bon.