The magnificent buildings, grand scenes, and European aristocratic young people strolling around the lake reflect the historical trend of venerating the ancients in the 18th century, and capture the social life at that time. The artist highlights the magnificence of the main body of the picture," outing " The copperplate painting not only represents the buildings, the subtle changes of air and light, people, boats and animals, but also these elements are an integral part of the picture, adding a sense of movement and life to the picture, and enhancing artistry and painting. The black and white prints not only conform to the neoclassical tradition of European mural design, but also form a strong contrast with the golden architectural design representing the romantic and spiritual essence of human beings.