The photo above was taken by me on August 15, 2015 in the city of Los Angeles. In the photo above, a young man with sadness and loneliness is looking at the city, standing under a tree watching the flow of people pass by, his face and emotions change minute by minute. every second, from smiling to thinking, finally to the downfall from the boy's eyes. Thereby we can see the heart of a sad person, the surrounding scenery is also in the same...