Yungbulakang Palace

Yumbu Lagang is an ancient fortress in Nedong County ( sne gdong སྣེ་གདོང་ / Nǎidōng乃 东) near Zêtang ( rtsed thang རྩེད་ཐང་ཐང་ / Zédàng泽当) in the district of Shannan the Tibet Autonomous Region in the People's Republic of China. The Yumbu Lagang is considered the oldest fortress of Tibet.

( Tib: gnya ' khri btsan po ) According to the founding myth Yumbu Lagang in the 2nd century by followers of the Bon religion for the first Tibetan king Nyathri Tsenpo was built, which is referred to as " descended from heaven ". During the reign of the 28th king Lha Thothori Nyantsen was in the 5th century, a golden Stupa, a jewel (or a mold for making dough - Stupas ) and a Sutra, the first no one could read ( the Karaṇḍavyūhasūtra ), on the roof the building fell, and a voice had called from heaven: "In five generations to come one who understands their meaning! " In fact, the fort probably dates from the 6th century. Later Yumbu Lagang the summer palace of the 33rd king Songtsen Gampo ( Tib: srong btsan sgam po) and Princess Wen Cheng. After Songtsen Gampo had transferred his seat to Lhasa, Yumbu Lagang was a chapel and under the reign of the 5th Dalai Lama, a monastery of the Gelug school.

The Yumbu Lagang was badly damaged during the Cultural Revolution and rebuilt in the 1980s again.