Maybe they took a shortcut and walked up a footpath instead of taking the road. Looks to me like the road under the tunnel curves left. They're coming from the same general area, just on the other side of the jeep.
Maybe there's a scene we haven't seen where they visit another area first before getting to the jeep. There's always a possible explanation for everything.
Last edited by AndyCullen; 09/19/2011 at 11:46 am.