Complex sentence: Lafayette Square (formerly Court House Park or Courthouse Square) is a block in the center of downtown Buffalo, which is located in, United States, that is surrounded by many of the city's tallest buildings.
Split into simpler sentences: Lafayette Square (formerly Court House Park or Courthouse Square) is a block in the center of downtown Buffalo, which is located in, United States. The block, which was once square, is surrounded by many of the city's tallest buildings.