Complex sentence: Crowds of people gathered in New York to witness the historic arrival, with tens of thousands of people crowding Battery Park in Manhattan to have a good view of the Statue of Liberty, where the plane was scheduled to touch down.
Split into simpler sentences: Crowds of people gathered in New York to witness the historic arrival. Tens of thousands of people crowded Battery Park in Manhattan to have a good view of the Statue of Liberty, where the plane was scheduled to touch down.