Most people painting each other's faces simultaneously
According to Official Guinness Records,
The most people painting each other's faces simultaneously in one location was achieved by 13,413 participants in an event organised by the People's Government of Qiubei County at Jiaolian Square in Qiubei county, Yunnan province, China, on 15 August 2009. Paiting each other's faces black with grass ash has been the customs of the Yi people in Yunnan province for many years. The people who get painted are considered to be blessed and will enjoy good luck. The event usually take place on 24 June(Lunar year) every year. This year, the event was held one day after. The paricipants were mostly Yi people as well as other minority people from the region.