1300 blocks deep, 31 blocks wide stairway to the underground of a random large map, fully walled in for enemy spawn prevention. Rope for up/down fast movement, wooden planks for precise movement. perfect for choice of depth when planing and/or starting building and/or exploring. Includes stuff gathered during production, stored at ground level. Donations to paypal account: [email protected] are welcome and may lead to improvements and/or new projects.