Changdeokgung Palace, located in the east of Seoul, Korea, is also known as Dongquan, one of Seoul's five major palaces. It was built in 1405 after Jingfu Palace in Yongle, Taizong, Korea. Changde Palace was originally the departure of the King of Korea, while Jingfu Palace was replaced by Changde Palace in the later period of the Korean Dynasty as the main palace for a long time. The palace Pavilion of Changde Palace is completely designed according to the natural terrain. It is the most natural palace in the Korean palace and the most complete palace preserved in the Korean palace.