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.......