2. The Hills Are Made of….
According to the landscape architect Will Johnson, The Hills are constructed from fill made out of the demolition of existing buildings on this part of the island, recycled materials and steel slag from Perth Amboy. The materials were blended in South Jersey and barged in to Governors Island (using 137 barges). 14 buildings were demolished on this end of the island and 100% of the materials were reused amounting to about 50,000 cubic yards.