Introduction to Yuanyang Pond: Ryoanji Temple in Japan is famous for its stone garden. As soon as you enter the temple gate, you can see a pond filled with water. This pond is a garden relic from the Kamakura period. It was originally called Mirror Pond and is also known as "Mandarin Duck Pond". During the Edo period, the scenery varied throughout the seasons, and there was an endless stream of tourists, making it very lively.