Not sure where to post a powerpoint presentation, but thought you'd enjoy this overview of populations in the world largest cities... After you get to #1, continue to see how people live and recreate in some of the cities.
https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=14189426493b43c4&mt=application/vnd.ms-powerpoint&url=https://mail.google.com/mail/u/0/?ui%3D2%26ik%3Da029175c81%26view%3Datt%26th%3D14189426493b43c4%26attid%3D0.1%26disp%3Dsafe%26zw&sig=AHIEtbSLi7Hq
https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=14189426493b43c4&mt=application/vnd.ms-powerpoint&url=https://mail.google.com/mail/u/0/?ui%3D2%26ik%3Da029175c81%26view%3Datt%26th%3D14189426493b43c4%26attid%3D0.1%26disp%3Dsafe%26zw&sig=AHIEtbSLi7Hq
Last edited: