3 ms·Costs a lot, more the deeper you go.by Synaesthesia 8y agoCosts a lot, more the deeper you go.Cthulhu_ 8y agoWhat if the hole already exists? Former open-air mines?ccozan 8y agoHow about a vulcano?Retra 8y agoVolcanos are not holes, they are mountains. And throwing it into an active volcano is just the same as burning it, but far more dangerous and expensive.