This video was recorded during the Khmer New Year 2018 with Chao Kaing.
This is the continued Khmer interpretation of Preah Ang Thom in Phnom Kulen, which obviously doesn't appear to be a laying Buddha as told!
If you wish to learn more about Khmer history, you can contact Chao Kaing on his Facebook page: / reachgey.ksatrey