As the moon rises above skyscrapers, an ecosystem is revealed. Aluminum candy wrappers shine under streetlights against the gritty black tarmac. Flying in a majestic arc, the pigeon swoops to a nearby trash can and feeds on greasy fast food papers and stale hot dog buns. Satisfied, the pigeon ruffles its gray wings and flies low along the road, watching the dashed yellow lines move faster and faster, until it is hit by a car. Here lies nature.