Introduction to Stone City: is the farm building of Nanshan Ranch. Here are office buildings, Nanshan Hotel, shops, business offices, staff dormitories, dairy factories, hospitals, schools, living rooms, private houses, and cowsheds, etc. It is made of hard granite and masonry, with a total construction area of ​​more than 50,000 square meters. It stands among the large flats surrounded by rolling mountains, forming a unique stone city.