sentences:  Rebuilding began in 1720, under patronage of the 7th Dalai Lama, Kelzang Gyatso.However, when Kelzang Pema Wangchuk, The Fifth Dorje Drak Rigdzin (1719/20-1770/71) was enthroned as the monastery's third throne holder, its buildings were still lying mostly in ruins.The Sixth Dorje Drak Rigdzin, Kunzang Gyurme Lhundrub (d.