The sight of two men holding hands is far from uncommon, but a mural of two men doing just that is showing up in an unusual place – on the walls of a new subway station in New York City. “It was like winning the lottery,” Thor Stockman, 60, said of finding out that he and his husband of 3 A1 2 years, Patrick Kellogg, were going to be part of artist Vik Muniz’s “Perfect Strangers,” a series of life-size mosaic portraits of everyday New Yorkers gracing the walls of the new subway station at 72nd Street.