Although it seems simple, shining a spotlight on repression, torture, and abuse has many times helped to stop it. World opinion and pressure does do some good. Not always, not in every case, not for every situation. And OTOH- imagine your parents, children, brothers, sisters, neighbors, being tortured and killed in front of you. Got it? Now step up to those people (you unarmed) and tell them you're not going to tote their water bottle. Not so easy, right?

This would be much more efficient if there were a hard plastic 2" diameter cylinder on the rope in the middle of the wheel. The tube could rotate as the wheel turns, acting like a bearing where the rope now touches the wheel. The wheel would revolve much easier, with less chance of the young man just dragging his load, pulling against the sand.

Vandoo- Yes, Chris is either a fool, or he's simply joking, or he's trying to goad folks into posting the typical anti-USA comments. Most Americans use both metric and US standard measurements, and all scientists use metrics daily. There is no "contest" between them here in America.