Treasure Seekers: The Silk Road.

The Bezeklik Grottoes in the Flaming Mountains near Turfan hang precariously off a cliff above a steep gorge. However, the Buddhist carvings and murals within these caves were not sufficiently remote to escape both the onslaught of Islam and the intentions of foreign archaeologists and treasure seekers. Now there is a new threat: that of numerous coach loads of foreign and domestic tourists, keen to see what's left.