If you've ever wondered why you'd ever want to learn gymnastics and martial arts when you live in an Urban Jungle... wonder no more. If you did this stuff for fun I don't think you'd ever need to go to the gym to 'work out'.
Parkour Check it out:
http://www.youtube.com/watch?v=RlSOzbFes3s
http://www.youtube.com/watch?v=jquXcwooV6A
http://www.youtube.com/watch?v=zfZaQFCHWkI&NR
http://www.youtube.com/watch?v=GkgPTMMO9gc&NR
Another kewl combination of gymnastics, hip hop and martial arts:
http://www.youtube.com/watch?v=w6YvF0LUWKM
http://www.youtube.com/watch?v=Xa34SrRy6qo
