. Visit the lost champa kingdom in Viet nam History that comes from 2nd century to 15th century and learn about champa culture . Enjoy the beauty of valley surrounding by jungle and mountains . Explore the temples that were built and rebuilt from 4th century to 13rd century . Try to find down how did the cham people built the temple without using mortar Nestling in a narrow valley surrounded by mountains, this temple and tower complex is a masterpiece of ancient Cham architecture. My Son consisted of 70 architectural works ranging from small to large buildings. My Son was the holy land of Cham people from the 4th to 13th century, dedicated mostly to the deities Shiva, Krishma and Vishnu. Today only about 20 temples remain due to destruction of the site during the war. In the 4th century, in King Bhadravarman’s time, after the construction of TraKieu, the religious centre of Cham kingdom was centred in My Son, and the site was used to welcome royal members, aristocrats and host important religious rituals. Continually developing over nearly nine centuries, My Son witnessed both the glorious and prosperous period of the Champa Kingdom as well as the Kingdom’s decline. Despite the fall of the Champa Kingdom,the Cham culture continues to survive.