Karesansui stone lantern image

Quick answer：

Karesansui, also known as Zen rock garden, is a Japanese garden style that emphasizes the simplicity and naturalness of rocks, sand, and sometimes moss. A stone lantern in such a garden, known as a 'tsukubai' or 'islan,' is used for washing hands before meditation or rituals. The image of a karesansui stone lantern typically showcases these elements in a serene and minimalist composition.