Parkour (also known as PK) is a craze that is sweeping the nation. Parkour is known as the art of movement, or the training to overcome any obstacle by adapting movements to the environment. Parkour was co-founded by Sebastian Foucan and the popularity of parker was increased by David Belle. Parkour compilation videos on YouTube have surpassed millions of views. Above is a video going viral on YouTube that features a cat doing parkour. The above video has surpassed 300,000 views.