If you thought that the park being sloooooowly built by developer Shaya Boymelgreen in Park Slope was bad in terms of being about 50 years behind schedule, Flatbush has one that's done but is under lock and key. This, in turn, brings deep joy if not intense happiness to some members of the community. The park in question is behind Midwood High School." My guess as to the long answer to the question of why the open-space starved Flatbush community is being denied access to the new park has something to do with park maintenance or - lack thereof." One of consolation Flatbush people: Boymelgreen. [Flatbush Pigeon]For more stories from Curbed, go to curbed.com.