Caigongtang street. Lhasa, referred to as "La" for short, is the capital of Xizang Autonomous Region, China, located in the middle of the Qinghai-Tibet Plateau and on the north side of the Himalayas. The first phase of Education City Garden in this area is under the jurisdiction of Caigongtang Street and belongs to Caigongtang Street. Located in the valley plain of the middle reaches of Lhasa River, a tributary of Yarlung Zangbo River, Lhasa River flows through it, joins Yarlung Zangbo River in the southern suburbs and connects Linzhi City in the east.