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