How to describe the loneliness of a group of people after carnival?

Outside the bridge, the plum blossoms are lonely, no matter what. The loneliness of a group of people after carnival is described as a broken bridge outside the post, and loneliness is open. Loneliness refers to a psychological reaction, which can be felt when you are alone or when there are many people around you. Loneliness is usually considered as one of the most common sources of human suffering.