1. Mexico City: the street art represents many historical facts
Citation:
Picture 1: https://02varvara.files.wordpress.com/2012/06/00b-street-art-mexico-city-mx-05-12.jpg
Picture 2: http://www.designlaneway.com/assets/13-1024x768.jpg
Picture 3: http://www.fatcap.org/uploads/msc/2012-05-21/lv_b014b973ec88afb962592058ef2861d4449a77f0.jpg
Picture 4: http://mexicanartwork.files.wordpress.com/2011/07/neuzzmexico2.jpg
Picture 5: http://1.bp.blogspot.com/-yzCMK1wGP9g/Uh-YS0hqA4I/AAAAAAAAAcs/fu7wgjIVUwg/s1600/2w.jpg
Picture6:
http://api.ning.com/files/kV4MbYiv7oTX0NepWHWwCCVShms0qyPlrqmTvVqrtcr2X1vdVHQyotPzHbKf2pIeAenkJWK7U5DYIOUKLKPjPdSE-m3YfC0I/1082048586.jpeg
Picture 7: http://www.bonz.ch/wp-content/uploads/Street-Art-by-ROA-in-Mexico-City.jpg