sentences:  Before the earthquake, tourists traveling between Nepal and the Tibet made substantial use of this crossing, and there was also substantial trans-border trade.Chinese trucks traveling on the Tibet-Nepal Friendship Highway offload goods at Zhangmu and transfer them to Nepalese trucks.Even though the drive between Zhangmu and Kathmandu is only 5 hours, the sourcing logistics and bureaucracy of cross-border trade takes around 2 weeks, as such in 2013 it takes each Nepalese truck almost half a month for a round trip.