The Towers Square, is an area of remarkable aesthetic design, intended to be a platform for the development of business activities, art exhibitions, dance and music performances and social place. This square connects the different buildings and towers which comprise the WTC Complex and it is the main access to the complex. The square contains various works of art, notably a sculpture by renowned Uruguayan sculptor Pablo Atchugarry. World Trade Center 4, with 40 floors and 53,500 square metres (576,000 sq ft) of space is under construction as of 2010[update].[citation needed]

Answer this question, if possible (if impossible, reply "unanswerable"): The square contains a sculpture by what renowned Uruguayan sculptor?
Pablo Atchugarry