Introduction to the piano room: The piano room is a fully enclosed space where the owner plays the piano. The south wall of the courtyard is a majestic wall-mounted mountain, which is said to be the work of Ge Yuliang, a famous mountaineer in the Qing Dynasty. The room is a half-pavilion in the shape of a mountain, facing the green peaks. It is a perfect place to play the piano while burning incense and playing the song "High Mountains and Flowing Waters".