Wat Phra Kaew full official name Wat Phra Si Rattana Satsadaram, Thai: วัดพระศรีรัตนศาสดาราม
On the eastern side of the temple premises there are nine towers. They were erected during the reign of Rama I. Each tower is affixed with glazed tiles, with different colours for each tower, supposed to denote colours of the nine planets.