[gdlr_image_link type="image" image_url="" link_url="" alt="" target="_blank"]CHATTANOOGA. The artist 'Seven' has left his signature on quite a few Chattanooga commercial structures. The latest commission can be seen at the landmark Chattanooga Choo-Choo highlighting a new residential community called Passenger Flats. Seven captures both the history of the site as a train hub and the current transformation as a music-centered entertainment district. We had to share. Seven is the