Five hikers , one facing towards the camera and the others facing away from it , are walking through a rocky riverbed .
It is almost certain that a group of hikers cross a rocky riverbed on the way to the summit .
It is impossible that a group of hikers cross a rocky riverbed on the way to the summit .
It is almost certain that a group of hikers cross a rocky riverbed on the way to the summit .
A group of hikers cross a rocky riverbed on the way to the summit .