Recently in a NYC subway, British artist Chris Shen filmed a member of local dance group W.A.F.F.L.E. doing their thing in the middle of a moving Q train...
Perhaps you've seen him at the Bedford L stop, dragging a baby doll attached to a marionette control rod along the platform or shaking something that looks a whole lot like the remnants of a dead animal in the face of an unsuspecting straphanger...