Wayland Town Crier 1/20/11: Wayland artist shows work in Watertown gallery exhibit. Among area artists showing exciting works in a juried exhibit at the Arsenal Center for the Arts in Watertown is Wayland resident David Lang. Lang, who formerly chaired the art department of the Middlesex School in Concord, is showing 11 intricate sculptures that spring into mechanical life when a motion detector is triggered. The exhibit will be on view through February 26. The gallery is open Tuesday through Sunday 12-6pm.