Here is a picture from further down the street, so you can have a sense of what it looked like before this beautification project went down.
Video of the wall coming from my school..
Video of the opposite wall walking back towards my school.
This is my favorite one.
I guess this is part of an old traditional game called "horse." It looks like an initiation or act of bullying to me though, haha.
Here is a very different, but cool portion of the artwork.