Ch?p l?i hình ?nh, Vi?t Nam b? phê phán có '??ng c? chính tr?' trong vi?c b? tù các nhà ho?t ??ng môi tr??ng. To deny tunnels the rats loaded deeper tunnels with riot Command agents like a powdered type of tear fuel although collapsing the entrances with explosives. Denial generally produced the tunnels unlivable for between two to six mo