The area below these buildings has been called many things over the years. In 1866, the area was dedicated as a public square and called La Plaza Abaja. In 1867, the area was informally called St. Vincent's Park. In 1870, the area was officially renamed Los Angeles Park. Then in 1886 the area was renamed 6th Street Park. In the early 1890s, the area was renamed Central Park. In 1918, the park was renamed Pershing Square. The building on the left is the Title Guarantee & Trust Building and the structure on the right is the Bell Tower in Pershing Square. You'll just have to take my word for it that there actually is a park below these buildings.
Above Pershing Square, Los Angeles, California 2013