Complex sentence: New York City is home to a large Jamaican diaspora community, with communities along Flatbush, Nostrand and Utica Avenues in Brooklyn--centred on the neighbourhoods of Prospect Heights, Lefferts Gardens, Flatbush, East Flatbush, Crown Heights, Canarsie, and Flatlands.
Split into simpler sentences: New York City is home to a large Jamaican diaspora community. The Brooklyn communities are centred along Flatbush, Nostrand and Utica Avenues in the neighbourhoods of Prospect Heights, Lefferts Gardens, Flatbush, East Flatbush, Crown Heights, Canarsie, and Flatlands.