 With a major part of his life's work destroyed Zanabazar had to take the mobile portion of Urga and flee to Inner Mongolia.More than half the wealth created in Urga in the period from 1639 to 1688 is thought to have been lost in 1688.Only in 1701 did Urga return to the region and start a second period of expansion, but it had to remain mobile until the end of the 70-year long Dzungar-Qing Wars in 1757.