Which important monument was built by Tsepal Namgyal?

Tsetan Namgyal was succeeded by his brother Tsepal Namgyal. He ruled from 1802 - 1837 and then from 1839 - 1840. He was a wise administrator like his brother and spent his early years in Hemis monastery. He built the beautiful Stok Palace which remains the present residence of the royal family of Ladakh.