I meant the red structure .. ^^'
it could actually be like: base-layer (photo), texture layer, drawing.. and the latter two were erased at some parts with some soft eraser..
maan, I kinda feel like a detective now haha x'D
Exactly! that's a good comparison!
This Looks like your drawing is behind some glass or window, and all the blue and red stuff is the reflection of something.
pretty lines of definition