rock art includes both humanoid and animal figures on cliffs at pha taem national park in ubon ratchathani, thailand

above abstract ancient and animal anthropology antique archaeology archeology art artwork asia beautiful both cave caveman cliff cliffs destination drawing estimated figures geological geology giraffe heritage historic history human humanoid includes landmark mekong mountain national natural nature old painting park pha prehistoric prehistory primitive ratchathani rock scenic sightseeing site stone taem thailand tourism tourist travel trip ubon vintage wall years