 Complete the following phrase:  In 1976, George Willig and Jerry Hewitt climbed the Unisphere as part of a short documentary made by New York University student Paul Hornstein. According to the New York Daily News, Hornstein said he wanted to prove that we can do a full-scale, high-quality movie production on our own. The Unisphere was also scaled in September 2019, when Glen Schleyer, a member of the climate activist group Extinction Rebellion, hung up a banner protesting the 