^^
Thanks !
569- The Lighthouse at the northen point of the island :
570-
571-
572- The Octagon. It was the entrance of the New York City Lunatic Asylum. After being abandonned in the 1950's, it has now been turned into an appartment complex :
573- The inside :
574-
575-
576-
577- Old Roosevelt Island Tram cabins :
578- Brooklyn skyline and Williamsburg bridge seen from the Queensboro bridge :