They might climb on frozen waterfalls or large rocks covered with ice. Ice climbers use special equipment like ice axes, ropes and crampons to climb ice and glaciers.
(frozen waterfalls or large rocks; covered; with ice) (Ice climbers; use; special equipment like ice axes, ropes and crampons; to climb ice and glaciers) Context(Ice climbers use,List([71, 87))):(They; might climb; on frozen waterfalls or large rocks)
Ice climbers use,List([71, 87))
frozen waterfalls or large rocks Ice climbers They
covered use might climb
with ice
special equipment like ice axes, ropes and crampons to climb ice and glaciers
on frozen waterfalls or large rocks