Last month came the video of an inflatable polar bear set over subway grates would rise and fall as trains passed underneath. The shopping bag art came from Joshua Allen Harris, and he's at it again with a subway monster that you won't need a Subivor kit to survive. Looks like Nessie has found herself a new 'nabe right here in New York; this one was up at 21st between 6th and 7th Avenues.......

The Wooster Collective recently featured video of a piece of street scultpure by Joshua Allen Harris. It could be describe as kinetic pneumatic art, and features an inanimate pile of material attached to a subway grate. When a train passes in the tunnel beneath the grate, the upward flow of displaced air fills the material and produces a medium-sized bear. The continued flow of air makes it appear as if the bear is actually......