The Mingun temple is a monumental uncompleted stupa began by King Bodawpaya in 1790. It was not completed, due to an astrologer claiming that, once the temple was finished, the king would die.[1] The completed stupa would have been the largest in the world at 150 metres (490 ft). Huge cracks are visible on the structure from the earthquake of 23 March 1839.[2] Like many large pagodas in Myanmar, a pondaw paya or working model of the stupa can be seen nearby.