With the development of society, people continue to improve the construction of cave dwellings. The cave dwellings on the Loess Plateau that are warm in winter and cool in summer are becoming more and more comfortable and beautiful.
With the development of society, people's construction of caves continue to improve, the loess plateau in winter warm summer cool caves more and more comfortable and beautiful
With the development of society, the construction of caves has been improved. The caves on the Loess Plateau are more and more comfortable and beautiful<br>