http://www.youtube.com/watch?v=-M2IcnXcQ2Y
A "Rabbit Run" from CrackedRabbitGaming (http://www.youtube.com/profile?user=CrackedRabbitGaming) (see here (http://crackedrabbitgaming.com/site-faq/#rabbitruns) for more info)
"Cliffs" explained, and timelined, here (http://crackedrabbitgaming.com/2006/09/01/rabbit-run-far-cry-instincts-cliffs-level-in-11-min/).