50x Caves

This datapack makes it so that caves are 50 times more common than usual! (Specifically, every carver is duplicated 50 times, so ravines are also more common.)

• The Overworld is mostly recognizable, but below the surface, it's all one giant hollowed-out area.
• The Nether is almost all gone. Only a few patches of blocks remain.
• The End doesn't have any carvers in vanilla Minecraft, so I added End Ravines which cover the ground, on both the central island and outer islands.

Beware: This means that world generation takes many times longer than usual!