The Secret Reason Horses Let Us Ride Them

Why didn't Africans on Zebra conquer the world? Why don't we have war bears? Part 1: https://www.youtube.com/watch?v=JEYh5WACqEk Website: http://www.cgpgrey.com/ War Bears image by: Filip Dudek http://5ofnovember.deviantart.com/gal... Special Thanks: Wenhao Nie, dedla , Thomas J Miller Jr MD, PervertedThomas, Daniel Slater, Saki Comandao, rictic , Ian, Robert Kunz, Christian Cooper, Michael Little, Ripta Pasay, Andres Villacres, Faust Fairbrook, Jason Lewandowski, Michael Mrozek, Jordan LeDoux, Chris Woodall, Nevin Spoljaric, Chang Wang, Kozo Ota, Richard Jenkins, Chris Chapin, ChoiceMechanicalDenver.com, سليمان العقل, Tony DiLascio, Tod Kurt, Phil Gardner, John Buchan, Ron Bowes, Tómas Árni Jónasson, Mikko, Derek Bonner, Derek Jackson, Sokhom Chhim, Orbit_Junkie, Jordan Melville, Martin , Steven Grimm, Alistair Forbes, Tom Maher, Jim , Eren Polat, Mark Elders, Duhilio Patiño, Benjamin Morrison, Amandeep Hayer, Veronica Peshterianu, Paul Tomblin, Travis Wichert, chrysilis , Alex Morales, Ryan E Manning, Erik Parasiuk, Rhys Parry, Maarten van der Blij Sam Kokin, Kevin Anderson, Gustavo Jimenez, Thomas Petersen, Kyle Bloom, David , Ryan Nielsen, Esteban Santana Santana, Dag Viggo Lokøen, Tristan Watts-Willis, John Rogers, Edward Adams, Leon , Alexander Kosenkov, ken mcfarlane, Brandon Callender, Peter Lomax, Emil , Tijmen van Dien, ShiroiYami , Alex Schuldberg, Ryan Constantin, Bear , Jacob Ostling, John Waltmans, Solon Carter, Joel Wunderle, Rescla , GhostDivision, Andrew Proue, David Palomares, Cas Eliëns, Freddi Hørlyck, Splendide , Linh , Osric Lord-Williams, Ryan , Maxime Zielony, Timothy Moran, Lachlan Holmes , John Lee, Tor Henrik Lehne, Ian N Riopel, AUFFRAY Clement, Ilan , John Bevan, Elizabeth Keathley, Owen Degen, Kevin , Pierre Perrott, Colin Millions, Muhammad Shifaz, Joe Pantry, Ernesto Jimenez, Keng, Glennon B. Nelson IV, Chris Harshman, Jose Reyes, Guillermo , Ahmed , Danny Lunianga Xavier, Jeremy Peng, Jennifer Richardson, Rustam Anvarov, Music by: http://www.davidreesmusic.com