Complex sentence: Jordan Marsh's original main store (on the South end) had a rare shopping feature in its parking lot that faced Rt.9; there was a remote underground entry point in the middle of a vast parking lot.
Split into simpler sentences: Jordan Marsh's original main store (on the South end) had a rare shopping feature in its parking lot that faced Rt.9. There was a remote underground entry point in the middle of a vast parking lot.