When Ahmed leaves the motel room to make a phone call in the lobby, he is seen wearing a white button-up shirt. During the call in the lobby, he now has a brown jacket over it. When he returns to the room, he is back to wearing only the button-up.
The bus crashes into a quarry but the kids say there's no way out. All quarries have access roads/ramps to enable the mined material to be removed. The ramp in this case is actually clearly visible in the overhead shot at 7:54 starting in the bottom right corner, heading up, cutting across the top (out of camera shot) and then down the left side reaching the top of the quarry on the bottom left.