Implement a large scale, affordable, modular, removable and multi-functional rain catchment system. At the MIT Global Challenge: http://globalchallenge.mit.edu/teams/view/170
6. Design Sloping tent-like structure 40 units of 10m x 25m blue polyethylene tarp with eyelets Low friction catchment surface Tension structure cable and PVC supports Design sag and heights to guide water towards gutters at the lowest ends Easy “curtain” set up