Read and answer the questions. Perfume Pagoda is a religious site as well as being a great sight-seeing spot in Viet Nam. It is situated in Huong Son Commune, My Duc District, Ha Noi. It is a vast complex of Buddhist temples and shrines, including Den Trinh (Presentation Shrine) and Thien Tru (Heaven Kitchen) Pagoda, in the limestone Huong Tich mountains. The centre of this complex is the Perfume Temple, also called Chua Trong (Inner Temple), located in Huong Tich Cavern. It is thought that the first temple was built on the current site of Thien Tru in the 15th century during the reign of Le Thanh Tong. Over the years some of its structures which were in ruins have been restored or replaced. Many Vietnamese works of literature, both old and modern, have made Perfume Pagoda their focus. It has also provided backdrops for many famous paintings. Its beauty has been used as a theme of many famous songs and a topic of lyric poetry. Nowadays during its festival (from the middle of January to the middle of March on the lunar calendar), Perfume Pagoda attracts large numbers of pilgrims from all over Viet Nam.

Where is the Perfume Pagoda located?