With the cave & cliffs update being announced, I came up with some new biomes that could be added to the caves in
minecraft 1.17. These cave biomes are exclusive to the colder biomes in minecraft, such as the Snowy Tundra, Ice Spikes and Snowy Taiga.

I hope you like my ideas!

Check out my youtube channel:
https://www.youtube.com/channel/UCTatV0yZZf9nV1EHaq1NqUA

You can watch this video on youtube:
https://youtu.be/u7j8MeYsJmw