Bedroom Wall Decor Ideas For My Bedroom Wall Decor? Bohemian Style?

Ideas for my bedroom wall decor? Bohemian Style? - bedroom wall decor

I am 13 years old, and I think the wall of my room is really clear.
I have in the summer at home, and I think the walls of my room is very simple, so I wanted a nice decor with an unconventional style.
To learn the steps, is 3 meters long and 7 "9 high.
It is a wall that the door to open and the page opens, but there is a doorstop against the wall, so no comments or anything on the shelves planning to hold the door open on the road.
Also, I prefer something that does not include drilling or drilling the well. Just something unconventional with an issue, because I like things bohemian.