Press Photos by Tim Gilman The recently opened Hoover-Mason Trestle walkway alongside the iconic Bethlehem Steel blast furnaces attracts a crowd of visitors to the elevated city mini-park which is in the heart of SteelStacks and former Bethlehem Steel plant remnants in South Bethlehem. The third-mile elevated pedestrian city park provides a refreshing view of former Bethlehem Steel buildings and structures in various stages of redevelopment. The South Bethlehem walkway is accessible by three staircases and