Piping = $200,000; Water = Priceless

I used my pipes to create a water system. The people who used to live in the core of the Earth had to get water, so they used pipes to transport their water into their well, as you can see here:

The pipes are still intact, and as you explore deeper into the earth, you will see more intricate patterns and junctions of pipes designed to take all that water back to the land of Oz old city. I hope that adds some incentive to go places you might not have thought of going to before. Well, I will now leave, but before I do, here's another screenshot of pipes: