Trongsa Dzong was heavily damaged following the 1897 Assam earthquake . It underwent major repair and was restored by both the 1st king , Ugyen Wangchuck and the 2nd king , Jigme Wangchuck in 1927 , who renovated the Chenrezig Lhakhang in particular . In 1999 , funding from Austria led to extensive restoration works and was reconsecrated in October 2004 , coinciding with the enthronement of the Crown Prince
1897 Assam earthquake
1897 Assam earthquake
Trongsa Dzong