Day 6: Expanding

Not much to report today. From my mountain top, I've been branching out and leaving trails of torches so that I can find my way back. This land is huge. As always, I've gotten lost a few times, but always find my way back. I dug some underground paths heading from one of the chambers below Einheim. One pops up near my stone monolith (now covered in torches) and the other pops up near the beach. Though it should have been obvious, I found sand at the beach. I wonder if I can somehow make glass with it?