The Temple of Heaven is considered the most holy of Beijing’s imperial temples. It has been described as “a masterpiece of architecture and landscape design”. The Temple of Heaven has also been listed as one of the World Cultural Relics by the UNESCO. The Temple of Heaven was built in the Ming Dynasty (AD 1420) by the emperor Zhu Di in the royal garden. Once a year, at winter solstice, the emperors came here to worship Heaven and to solemnly pray for a good harvest.