 Tsanglha did not move anywhere outside of there home but move within their homeland.When first Tsangla people arrived in Pemako region they found that the land was unused, they settled in the lower Yarlung valley, surrounded by Kongpopas in the northwest and Pobas in the northeast and Lopas in the south, Tsangla adopted many customs from them but still retained their original language which they still speak at home.By 1931 Tibetan national government was able to dismantled Powo kingdom and region come under direct rule of central Tibetan Government, Lhasa.