In 1820 , it was sacked again during the wars between Ladakh and Kullu .
In the 17th century , during the reign of the Fifth Dalai Lama , Key was attacked again by the Mongols and later became a Gelugpa establishment .
In 1820 , Key was sacked again during the wars between Ladakh and Kullu .
In the 17th century , during the reign of the Fifth Dalai Lama , Key was attacked again by the Mongols and later became a Gelugpa establishment .