Buddhist monks pray as they observe Makha Bucha Day at Thailand's Wat Phra Dhammakaya temple

Buddhist monks pray at Wat Phra Dhammakaya temple during a ceremony on Makha Bucha Day in Pathum Thani province, north of Bangkok February 22, 2016. The Dhammakaya temple is regarded as the country's richest Buddhist temple. Makha Bucha Day honours Buddha and his teachings, and falls on the full moon day of the third lunar month.