Workers, top left, secure lines that support a 600-foot sculpture, a portion of which is reflected in glass on a building, as it is suspended between high-rise buildings, Sunday, May 3, 2015, in Boston. The sculpture, that is to remain in place through October 2015, is made from over 100 miles of twine and utilizes over half a million knots in its construction. (Photo by Steven Senne/AP Photo)
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