Add mechanical assembly elements in 2D shapes to a colorful American graffiti scene. In this scene, various vibrant American graffiti can be seen, including iconic symbols of graffiti artists, graffiti letters, etc. Additionally, there are mechanical assembly elements such as gears, bolts, etc., cleverly integrated into the graffiti, adding a unique technological atmosphere to the entire scene. The scene is colorful, dynamic, and exudes a sense of creativity and futurism