Wow! The colours almost seems surrealistic. Did you pp it to get those colours? If you did, you did very well. But I don't think it fits in the topic. It isn't a portrait at all, you even have to look twice before seeing the human figure. I think 'the photographer' would be a better choice.

Another suggestion I have: I think it would add something extra if you were sitting down at the edge with your legs just straight ahead you (but maybe you hadn't enough time to do that... before the picture was taken with the self-exposure).

I like the colors and the composition, but I think is a steady picture. Nice geometry of the blue, black and white

des couleurs années 50 , plus proche d'une abstraction que d'un portrait

This is a wonderful subject as a cityscape and has great potential for a self-portrait. I just don't think this composition really works for either. As a cityscape/landscape you are distracting in the scene. The graphic nature of this and the surreal feel would make it a great shot for that genre if you were not there. For a self-portrait, you are there, but your sorta aren't too. Not sure all this makes sense.

Did you shoot this as a straight cityscape??