1. Beautification
In neighborhoods with dilapidated or abandoned buildings, colorful murals can transform dismal urban blight into a larger-than-life outdoor art museum.

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2. Connecting
Murals can help communities process difficult shared experiences by encouraging people to express themselves visually and creating a narrative of the event. Two teachers at Beechwood Elementary School in Ohio decided to teach their students about the 9/11 tragedy by turning their classroom walls into a mural exploring different aspects of the attacks and their aftermath.