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