This event "Let's Kyuhou Expedition Team: 'Let's Play with Trees'" is a nature learning event held in the Central District Volunteer Room. Participants can create observation notes and enjoy long-term observation of trees. The event focuses on the trees of Satoyama, and participants can actually touch the trees and deepen their understanding of nature through observation. In particular, the activity of creating your own observation notebook is included, making the nature experience deeper and more personal. A special attraction of this event is the mechanism that supports continuous observation. It is not just a one-time participation; you can witness the changes in nature afterward and continue recording them in your notebook to maintain interest in nature. Please see for yourself such a valuable experience. By talking to the trees and listening to the voice of nature, you can sharpen your five senses and enjoy new discoveries. Upon participation, you will surely experience a rewarding and memorable day rich in learning.