and in the middle is the elevated promenade that john roebling designed. he was very proud of it. boulevard in"the the sky" for pedestrians. now, in recent years, it was opened to bicyclists. rights been -- you know, now they're figuring out if they can widen that promenade, they really need to do it with all the bicyclists and all the pedestrians. but it was one of john proudest features of the brooklyn bridge, because he crowded new yorkers could feel like a bird and they could river, on hiseast bridge. and he gave them the best view. above the cars, up above the carriages, looking over them. think about it. the williamsburg, manhattan bridge, the walkways are right ofre at the same level traffic. here, you were above it. now, the brooklyn bridge was opened. the cable cars would go back and forth, strictly for the bridge. opened up, those cable cars closed down at night. 1880's, they had to go 24 hours a day. that was the nature of new york and brooklyn. the underground, only in the last year has it finally gone to 24-hour operation. mean, london! one of the grettest cities -- g