 Complete the following phrase:  Earlier, Indian Defense Forces had laid the Bailey bridge over the Diffo Rrver. It was a temporary structure that had to be closed during most rains. The new bridge provides uninterrupted access between Dibang Valley and Lohit valley of Eastern Arunachal Pradesh on Roing-Koron-Paya Road. Lohit valley is the corridor that leads to Kibithu, the battleground of the 