Photo by Jay Powell By JAY POWELL jpowell@c-dh.net Posted May 8, 2018 at 1:01 PM Updated May 8, 2018 at 5:49 PM The City of Columbia Arts District has experienced significant progress since it was proposed in 2014, but many community members admit they still don’t know exactly what it is. Maury County Chamber & Economic Alliance, along with Maury County Young Professionals Group, hosted a panel discussion Tuesday at …