a determined climber grips small handholds while pulling their body upward against the vertical stone surface. Their muscles strain as they carefully place each hand and foot on tiny ledges and cracks in the rock. Below them, another climber waits their turn while holding the safety rope taut. Above, the cliff face continues upward showing the challenging path ahead. A climbing instructor points upward to guide the next handhold placement. the activity of going up steep surfaces using physical strength and technique