What Mary Sees on Her Walk

Mary has been taking lunch time walks and I asked her to send some photos of interesting things she sees. Here's the first:

I walked an odd route, up H street where there is this overpass crossing the railroad tracks and the wall along the street is covered with these mosaics of children playing. I always find it cheerful in an industrial setting kind of way - when you come out of the Union Station parking garage,it's what you see. The DC Children's Museum used to be at the end of the bridge