Complex sentence: The sniper location was created from using the exteriors of the church steeple at the junction of New Street and North 4th Street and combining them with an elevated view from another building to create a fictional vista of the park.
Split into simpler sentences: The sniper location was created using the exteriors of the church steeple at the junction of New Street and North 4th Street. These were then combined with an elevated view from another building to create a fictional vista of the park.