Kare-sansui gravel

Quick answer：

Kare-sansui gravel refers to the pebbles and stones used in the traditional Japanese Zen garden known as a 'kare-sansui' or 'dry landscape' garden. These gardens typically use raked gravel to represent water, and the stones are carefully placed to symbolize mountains and other natural elements. The design aims to evoke a sense of tranquility and the beauty of nature.