Graffiti was once an underground expression of youthful rebellion. Now, local businesses and government officials are embracing the art form.
원문출처 : http://edition.cnn.com/2015/02/03/travel/graffiti-muralists-santiago/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/03/travel/graffiti-muralists-santiago/index.html?eref=edition