Wat Po photo gallery 26 high quality pictures Wat Po A selection of pictures of Wat Po, a major temple in Bangkok known to the Thais as Wat Phra Chetupon, dates from long before Bangkok was founded, as it was built in the 16th century. It became a favourite with the early Chakri kings who turned it into the countrys largest monastery. Wat Pos major attraction is the massive Reclining Buddha