Uncovering a lost mountain metropolis

An isolated plateau in the highlands of southeastern Uzbekistan in Central Asia, looks like an expanse of rolling hills. But look closer and a shard of pottery or the stony remnant of an ancient wall might hint at an archaeological secret hidden for hundreds of years. Now a team of archaeologists have used drone-mounted LiDAR to virtually peel back the layers of sediment and vegetation. Revealing two ancient cities, much larger than previously imagin...