Photo by Aimee Smith Usually, when someone tells us to “smile” it causes us to roll our eyes, at best. But while viewing this mural by “Just” Giovannie, located on the back wall of the Cambria Downtown Phoenix, we can’t help but break out in a grin. By the time we read the “Smile” prompt in the conversation bubble, we already are. Photo by Aimee Smith This smiling face is the gatekeeper to an alley...