Submitted by likessvenska t3_ygxkzv in todayilearned
Fearless_Armadillo89 t1_iucwnqr wrote
Reply to comment by MaleficentPi in TIL In China more than 40 million people live in caves by likessvenska
They're houses cut into a cave. I watched a documentary on it once, they're most definitely real.
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