If abusers warned you first, there'd be no victims. Wow this is a nice twist to get the word out about domestic abuse. That's almost all I want to say because watching it blind has a very powerful impact. Really great stuff.
There have been 15,000 people who have gone missing since the early 80's in Peru, due largely to terrorism. The government denied the UN's competency to find the people who went missing and compensate their families.
The Peruvian League Against Cancer has a great idea to encourage people to get out of the sun for a bit, at Playa Agua Dulce they built a giant rectangle which gives wireless internet connectivity to anyone standing it its shadow.