It got a call about a 6-year-old’s drawing. “The report came in as ‘graffiti,’ and, as you know, the city is trying to crack down on graffiti on private property,” said agency spokeswoman Cathy ...

This is home.” This isn’t Powers’s first stab at a love letter. In 2009, he colored cryptic, but tender, words across 50 rooftops and walls in his hometown of Philadelphia. Those heady murals, ...