The Pha That Luang or “Great Stupa” is the most important Buddhist monument in Laos. The large golden stupa in Vientiane is believed to enshrine a breast bone of the Buddha.The Pha That Luang stupa is built on 3 levels, which symbolize the ascent from the Earth to the sky. The first level is the underworld, the second level 30 perfections of Buddhism and the third and final level, the prelude to the Kingdom of heaven. Each level is more narrow than the previous level, for example the first level are 69 meters of width, the second level 47 meters and the last level just 29 metres.