ASIA, SOUTHEASTASIA, LAO, LAOS, PHONSAVAN, XUENG KHUANG, XIENGKHOUANG, XIENG KHUANG, LANDSCAPE, NATURE, PLAIN OF JARS, SITE 3, JARS, LANDMARK, GIANT STONE JARS, STONE JARS, ARCHAELOGICAL, ARCHAEOLOGIC, hollow, cylindrical, concrete, gray, Asia, sino-tibetan, archaeological, Laos, tai, landscape, landmass, district, kadai, jar, vicinity, asia, laos, scenery, lao, nature, building material, paving, hole, asian country, grey, landmark