I was always fascinated by plants growing out of places they are not supposed...to grow. You know, concrete, rocks, or whatever. Especially when they are a bit complex like a tree or something.
And today as I was taking my bike for a ride I met one of those. It seems to be some weird kind of flower but I have no idea what it is so feel free to identify it in the comments if you can!
And here's one from afar: