Tsechu which means day ten are Bhutanese annual religious festivals held in each district or dzongkhag of Bhutan on the tenth day of a month of the lunar Tibetan calendar. The month depends on the place, but usually is around the time of October. Tsechus are religious festivals of Drukpa Buddhism. The Thimphu tsechu and the Paro tsechu are among the biggest of the tsechus in terms of participation and audience. Tsechus are large social gatherings, which perform the function of social bonding among people of remote and spread-out villages. Large make shift markets also congregate at the fair locations, leading to brisk commerce.
The Yonphula monastery courtyard with monks performing masked dance and spectators watching. The Eastern Bhutan is not open to heavy tourism and the only spectators are usually Bhutanese. Thousands arrive to watch this spectacular event. Bhutans prominent institution of Higher education, Sherubtse College is only 10 kilometers away from Yonphula.
The masks are usually made of Clay or from Wood, and are very heavy. The performers wrap clothes around their head to protect themselves from its weight.