Some old mines are safe and legal to 'tour'. Plenty at Broken Hill.lxbruce wrote:never go in an old mine dude, methane, co2. When our pit loses power we can get gassed out at the face in about 30 min with the fans out.
Thank god for that.zebulon wrote:Maybe, yet at least you can walk onto a construction site hours later and not worry about asphyxiation or a collapsing roof!