So, to start the new reef, Chowdhury and his team chose more concrete. "We wanted to use what was locally available and sustainably priced," he says. The structure of choice? Circular rings that the local residents stack and top with a commode to create latrines. These would not only be readily available, but could withstand the rough weather during the monsoon.

อ่านต่อเพิ่มเติม โรงเรียนบ้านหนองขนาก

สาระสำคัญ เลือด