Where is the Chang Tang, or Changtang?

Option A

The Changtang  is a part of the high altitude Tibetan Plateau in western and northern Tibet extending into southeastern Ladakh, India, with vast highlands and giant lakes. From eastern Ladakh, the Changtang stretches approximately 1,600 kilometres (990 mi) east into Tibet as far as modern Qinghai. The Changtang is home to the Changpa, a nomadic Tibetan people. The two largest settlement within the Tibetan Changtang are Rutog Town the seat of Rutog County and Domar Township the seat of Shuanghu County.