pwhole
Well-known member
For those with a need for water in remote locations where there's no streams but plenty of fog (and, obviously permission to erect the catchers). Tall order I know for most cavers, but the principle is sound, and the current usage is benefitting a lot of poor people:
http://www.bbc.co.uk/news/video_and_audio/features/magazine-38175202/38175202
http://www.bbc.co.uk/news/video_and_audio/features/magazine-38175202/38175202