youtube

=fall of rome/dark ages:= http://www.youtube.com/watch?v=PLNrxajzGCw&feature=g-high-rec

=Mayan Calendar: 2012= http://www.youtube.com/watch?v=3v67pxeizXo http://www.youtube.com/watch?v=RxTeeX4iIQo

http://www.youtube.com/watch?feature=endscreen&v=qhWItvjk9Yg&NR=1

http://www.youtube.com/watch?NR=1&v=sd_hbRUgvDE&feature=endscreen