Ak Yum - Credit: Wikimedia Commons
Ak Yum (, ) is an ancient temple in the Angkor region of Cambodia.Higham, C., 2014, Early Mainland Southeast Asia, Bangkok: River Books Co., Ltd., Helen Jessup dates the temple to the 8th century, and states it is the oldest known example of "temple mountain" in Southeast Asia.Helen I Jessup (2004), Art & Architecture of Cambodia, London: Thames & Hudson, , pages 60-61Michael W. Meister (2006), Mountain Temples and Temple-Mountains: Masrur, Journal of the Society of Architectural Historians, Vol. 65, No. 1 (Mar., 2006), University of California Press, pp. 39- 44; Read more on Wikipedia
Source: en.wikipedia.org