Having an "eye" up high (thanks to the quadcopter) reveals a "circular" architecture not apparent from ground level. See my videos of the same building at https://youtu.be/rxq6_nVJRlA and at https://youtu.be/DFq83BxHWVI?list=FLatasq71-Jxi3t29kaSUR8A.
All photos except as noted © Vitit Kantabutra - for viewing only