'' The Sphere '' ( officially '' Sphere at Plaza Fountain '' ) is a high , cast bronze sculpture by German artist Fritz Koenig . It is located in Liberty Park at the World Trade Center in Lower Manhattan , New York City . Originally located at the Austin J. Tobin Plaza , the centerpiece survived the collapse of the World Trade Center towers , which resulted from the September 11 attacks in 2001
September 11 attacks
September 11 attacks
The Sphere