Kusashi Lantern

Quick answer：

Kusashi lantern refers to a traditional Japanese lantern that is designed with a minimalist style, often found in Zen gardens known as 'kare-sansui'. These lanterns are characterized by their plain, unadorned appearance and are often placed near a karesansui garden to enhance the serene atmosphere. They are typically made of wood or bamboo and feature a simple, open design to allow light to pass through, symbolizing the essence of natural beauty and simplicity.