(Airdate: September 2, 2025) We’re driving west from Dunhuang to the edge of the Chinese empire. We’ve visited the set built by the Japanese to film the movie “Dunhuang.” Fifteen kilometers later, we turned off the highway again and drove another two kilometers across the trackless Gobi to the edge of a rift valley. Steps led down to a series of caves overlooking the Dang River…..

