top view, the defile of tad huang waterfall river viewed. the properties of the two countries. thai-laos border. na haeo, loei,

adventure art asia backgrounds beauty border cliff countryside defile exploration falling foregrounds forest gorge haeo high horizon huang isolate journey landscape laos large location loei mountain outdoors plant remote river rural scenery season sky soft southeast stone stream sunlight tad textured thai thailand top tourism travel tropical view waterfall wilderness winter