Authorized murals and street art routinely being destroyed by vandals in San Francisco . Some of best murals in historic Mission District have been ruined . ` ` Its war '' says one student after an instructor attempted to hand over his painting . ` ` There is always that possibility of violence if you see someone tagging a mural , '' says local art instructor .
Authorized murals and street art routinely being defaced by vandals in San Francisco . Some of best murals in historic Mission District have been ruined . `` Its war '' declared one tagger after an artist attempted to paint over his tag . `` There is always that possibility of violence if you approach someone tagging a mural , '' says local art instructor .