Scenic view of a dry landscape in Jiangsu, Zhejiang, and Shanghai

Quick answer：

Karesansui is a Japanese Zen rock garden that represents a natural landscape with rocks arranged in a grid pattern. It is often used to create a serene and meditative environment. The term 'Jiangsu, Zhejiang, and Shanghai' refers to three provinces in eastern China known for their rich cultural heritage and scenic beauty. However, there is no specific connection between Karesansui and these provinces.