Karesansui is learned from China by Japan

Quick answer：

Karesansui, also known as Zen rock garden, is a Japanese style of rock garden derived from Chinese landscape gardening. It became popular in Japan during the Muromachi period (1336-1573) and is characterized by the use of carefully placed rocks, raked sand, and sometimes moss. The concept emphasizes minimalist design and the use of natural elements to create a tranquil and meditative space.