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Okay, that is strong, but I bet an average gym person who is around 200 pounds and pretty strong can do that. You are failing to account that a lot of feats like that also deal with physics. Dennis Rogers who is probably the strongest man pound for pound, has even said that despite strength being an important factor, there is a lot of physics behinds strength. Once you get the bus moving, momentum helps out A LOT.
Can I pull that vehicle? HELL NO!!! But someone who is a pretty strong guy can probably move it. Please use another video