but for bal krishna und milan shrestha from nepal's center for rural technology, that's normal when they travel to the water mills they've upgraded. >> i'm glad we can drive most of the way today. often the mills are so high up in the mountains that we have to hike for days to reach them. >> at the end of the gorge lies the village of khopa chagu. it takes its name from the river, which flows directly from the himalayas. the village has around 2,000 residents. most of them earn a living from farming. they cultivate cereal crops, corn, millet and vegetables. they've had a new water mill for six years now. the aid organization helped upgrade it and funded half of the work. the owner dhan bahadur shows off the multi-functional mill. he's proud that he took the risk back then and took on debts to improve it. >> i was so frightened of going into debt, that i often couldn't sleep. i didn't know whether it would all pay off. >> the old mill could only grind wheat and corn. with the aid of extra attachments dhan bahadur can now hull rice and even press oil. what makes it all possible is the impr