The New York City subway system is a dark and grungy place full of hard plastics and metals. <br /> <br />Artist and avid crocheter London Kaye wanted to liven things up a bit for Valentine’s Day, so she spent hours ‘yarn-bombing‘ one of the cars of the L train reports AnimalNewYork. <br /> <br />Most passengers seemed to enjoy the added color, and some even complimented her on her handiwork.