China, Shanzhou, Henan Province

Traditional underground houses in Shanzhou, Henan Province.😃😃😃 pic.twitter.com/rmRJomItqI

— Sharing Travel (@TripInChina) February 16, 2024

#GlamorChina Watch your steps when you through Shanzhou district, Sanmenxia city, Henan province, you may end up as an unexpected guest and drop-in on some new friends. pic.twitter.com/D91Kz7x09M

— China Daily (@ChinaDaily) April 10, 2021

This is Shanzhou in Henan Province in central China, where for thousands of years people lived in underground houses.

Credit to Douyin user HangPaiZhongGuo pic.twitter.com/7IfwLltMQQ

— QinduoXu (@QinduoXu) December 16, 2023

Shanzhou silo-cave, 11 kilometers away from Sanmenxia downtown, Henan province, is the world's only #underground ancient residential ##buildings. As early as four thousand years ago, during the Yellow Emperor Xuanyuan, the local people built caves to live in. pic.twitter.com/8R68JJ4JsC

— ZhengguanMedia (@ZhengguanNews) June 20, 2021