-FRI., APRIL 13: Downtown Decatur Street Fair, Math Walk, Sculpture Construction, Puzzle Solving, Magic Performances, and “M.C. Escher +” Art Exhibit Sneak Peek. Taking place from 4-6 p.m. in downtown Decatur’s Depot District—on East Howard Ave. from Sycamore Place to Hillyer Place—visitors can enjoy activities such as mathematical sculpture building or observing, puzzle solving, and a math walk, as well as street magicians and jugglers. They’ll also get a sneak peek of the “M.C. Escher +” exhibition at DIFFERENT TRAINS GALLERY. (432 East Howard Avenue, No. 24, Decatur, GA 30030; The show opens to the public with an artists’ reception on Saturday, April 14, from 5-9 p.m., and continues through June 9.)