[–] CountHonorius 1 points (+1|-0) Some old volcanic lava tubes are 80,000 feet deep, so... Some old volcanic lava tubes are 80,000 feet deep, so... permalink source
[–] GuyIDisagreeWith 1 points (+1|-0) I think we should not burry the stuff. What if we find a use for it at some point in the future? We would have to dig it up again. I think we should not burry the stuff. What if we find a use for it at some point in the future? We would have to dig it up again. permalink source
Some old volcanic lava tubes are 80,000 feet deep, so...