Silkroad Watchtower Ruin

By Xah Lee. Date:
watchtower ruin dunhuang gansu china-s
“The ruins of an ancient Chinese watchtower from the Han Dynasty (202 BCE – 220 CE), located along what was the old line of rammed-earth fortifications in Dunhuang, Gansu province, China, that once stretched from the Hexi Corridor (in Gansu) to the Tarim Basin (in modern Xinjiang).” 3457×2304 image source

Dunhuang has Singing sand. To hear it, see this video:

“Singing Sand Dunes” (National Geographic)