Dude, caves look horrifying with bedrock fog turned on! I don't understand why Mojang removed this feature in later updates; it really adds to the game's atmosphere!
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whats the seed?
Here's a view of it from up close. I'm 99% sure caves don't look like this in the latest version of Minecraft Wii U.
Seed is -7014116014057592398. Though it might generate a different world if you use a different version of the game. I'm using the first version of the game without any other updates.