Unbelievable but true: the only surviving document written by a contemporary of the Angkor Empire, and the most authoritative historical record of Angkor Wat, was actually written by a Chinese traveler! The Customs of Cambodia was written by Yuan dynasty envoy Zhou Daguan in the late 13th century. It not only documented daily life in this ancient city but also offered rare insight into trade and cultural exchanges around the South China Sea at the time. Watch the video to see what Cambodia looked like in the Yuan dynasty!