To memorialize this past week, I'd love to see an arch over Boylston street. At the apex of the arch could be some kind of scuplture or carving that symbolizes running. Each corner could be for each fatality. In my rough clip art version below, I put the two youngest victims on the bottom. Lingzi studied Stats, so a graph and Martin was still a child so a teddy bear. From the news, I have heard about how kind and generous Krystle was so hand and heart and Sean apparently was born to be a policeman. Since France has an Arc de Triomph, that's triumph, I think Boston should have an arch of strength. This would make an easy finish line for the next 116 years of marathons.