‘Never Too Much, Always Enough’: Mayor’s Mural Crew Art Installation Celebrates Olmsted Bicentennial By David Ertischek on August 31, 2022 ‘Never Too Much, Always Enough’: Mayor’s Mural Crew Art Installation Celebrates Olmsted Bicentennial Boston’s Mayor’s Mural Crew and the National Park Service created a series of temporary chairs across the Emerald Necklace to commemorate the bicentennial celebration of Frederick Law Olmsted.