Art: Next, the Sun

Into the blue afternoon sky above Pittsburgh's Golden Triangle, a thin red line grew from the roof of One Oliver Plaza, a 37-floor office building. Twisting and looping in the stiff wind, the thing looked like a string of huge frankfurters seized with the ambitions of a condor. In fact, it was a 1,500-ft. red polyethylene tube, filled with 4,500 cu. ft. of helium. The line rose over the skyline and began to dance, guided by twelve men straining on guy ropes on the roof far below. One link tore off as the wind lashed it against the nearby Gulf...

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