When they first set up camp it was under plastic tarps strung from the trees and propped up with sticks. That night the rain came -- a drenching tropical downpour that left the group of 100 or so protesters wet, cold and awake through the dark Borneo night.

But after years of petitions and speeches, protesters had crossed a line, that day chasing away engineers drilling for soil and rock samples in preparation for the construction of a dam that would flood the land and villages of all of them. The next day they chased off government officers surveying a nearby mountain that was reportedly due to be quarried for construction materials.