asia, southeastasia, thailand, isan, buri ram, wat, temple, khmer, khmer temple, temple ruins, ruins, prasat, prasat phanom rung, phanom rung, rung, landmark, concrete, buildings, black, brown, building, devastation, landmass, district, austro-asiatic, unsoundness, crosspiece, ruin, decay, edifice, building material, paving, deterioration, strengthener, brace, support, asian country, mon-khmer