Climber on rock formation using ropes .
It is improbable that a climber is checking his safety equipment as he uses his ropes to climb the rock formation .
There is a better than even chance that a climber is checking his safety equipment as he uses his ropes to climb the rock formation .
It is improbable that a climber is checking his safety equipment as he uses his ropes to climb the rock formation .
A climber is checking his safety equipment as he uses his ropes to climb the rock formation .