An exhibition that’s become one of Gallery 210’s most anticipated shows is back. “Exposure 15” is the latest in a series of group exhibitions designed to feature artists who live and work in the St. Louis metropolitan area. This year, Gallery 210 at the University of Missouri–St. Louis, will present the work of Heather Corley, Deborah Douglas and Gina Alvarez, who was named Best Local Artist by the Riverfront Times in 2009.