It All Started With A Tunnel

He started the working on the house by first chipping away the outer layers, but as he was digging in, he noticed something bizarre. The hole he was working on kept getting bigger and bigger, to the point that an opening started to peak through the hole. He thought to himself that it was rather strange since there wasn’t supposed to be anything here. But upon further investigation, he uncovered something so big that no one in the whole town could have fathomed.