Building with plasic bottles

exterior plastic bottles schoolVolunteers built a school in San Pablo in the Philippines  out of thousands of recycled plastic bottles.

The bottles were filled with liquefied adobe and steel bars and then cemented into place. interior plastic bottle schoolThe result is claimed to be three times stronger than concrete.

Read more about it at GreenMuze . Hugitforward has more information here about the how, why and where of bottle schools, and more  useful information here.