Those are water tanks/towers https://en.m.wikipedia.org/wiki/Rooftop_water_tower https://en.m.wikipedia.org/wiki/Rooftop_water_tower https://www.nytimes.com/2

Those are water tanks/towers https://en.m.wikipedia.org/wiki/Rooftop_water_tower https://en.m.wikipedia.org/wiki/Rooftop_water_tower https://www.nytimes.com/2014/01/27/nyregion/inside-citys-water-tanks-layers-of-neglect.html?unlocked_article_code=_t_g1jxcu56OBisV8jHUIk3I9UvJB_nFc5duTY3aK_c9aWl0bwxqbUC89QS5pV64CSPdG5mL1QqgP-ka_3uyjq1GDYZketipliHgMbvlw7lip9FZ6GADeHDDJakko4k3FbbpqQtyiBjOvfUpEjLC2IhUPrwAQ8afOUVxGxeMprqJIePv56R0NtYZ8aPvoEER9FL0RjXovwzwuDqTJsSnHB84QEWS9cg-5I7sV4jhqSSORbMNSnnAVdjeaTWMgxV3lY9goDKX4DnYSpK5HI6SdBLsMZ1kpL1EPDfKUaUSd_lpiYIn_LjM0NTOSPmm8yim7HuTe4hYB1LVbhIHS6I-Yy__oTFFl8czCoSwL3WLSK4EhGribQ https://www.nytimes.com/2014/01/27/nyregion/inside-citys-wat...