The Three Rivers Arts Festival opened yesterday. Lots of people are planning on coming down to see the art, but come between 11am and 2pm from today through June 14th and you can help create it. Muralist Kim Beck has begun stenciling an 850-foot mural underneath the Fort Duquesne Bridge and is ready for volunteers to help fill in the “paint by number” with black, white and gray paint. Looking at her Tumblr, you can see that Kim Beck (previously featured on I Heart PGH) has a fascination with the mundane and ephemeral aspects of the urban landscape, like billboards,… Read the rest