western xia imperial tombs

ancient autonomous barrier brick buddhist burial china chinese civilization complex cultural dangxiang desert dynasty emperor empire ethnic excavated excavation flare fort funerary genghis glow gobi grass gravel halation halo helan heritage historic hole hui imperial inscription khan layer level mausoleum mongols mountain ningxia nomadic ornamentation preserved pyramid raider region relics remain road robber rock royal ruins silk site spacious statue stele still stone sunlight tangut taoism tomb unearth vanish vanished wall western wild xia yinchuan