- In Colombia, street art is useful to express ideas and judgements, Bogota's citizen create graffiti to emit their opinion about issues like politics and police. Also in Colombia, take advantage from indigenous culture, to add details and create a original image with a mix of different ingredients. In street art from Colombia you can see the development of the history, for example in Bogota some walls have holes like reflex of horror and scare from war, this holes were used to watch and defend from war.
- http://www.nytimes.com/interactive/2013/08/11/magazine/Look_Brazil.html?_r=3&
- http://www.aljazeera.com/video/americas/2013/08/20138514298675371.html
