Press Photos by Tim Gilman Blacksmith John Sexton rings a triangle for Lillian Hubbard and her grandmother Barbara Hubbard of Bethlehem. The 1750 Smithy on Main Street in downtown Bethlehem was among the many historical locations open on Community Day, in early April to mark the start of the Historic Bethlehem Museum and Sites spring season. A variety of special activities such as demonstrations, scavenger hunts and tours were part of the daylong agenda for residents and visitors in downtown Bethlehem, the