'''Hint:''' If making a support beam outside of the cave, and using a [[small cart]] (or [[rowboat]]) to transport them, the best approach is to leave the beam [[unfinished]] (requiring a shaft or a ribbon), and finish it inside the cave.
[[Image:Reinforced_cave_wall.png|thumb|500px|Reinforced cave wall]]
[[Image:Reinforced_cave_floor.png|thumb|500px|Reinforced cave floor]]
== See Also ==