11. Fumble your way up 15 feet of slippery rock, gripping the ice walls for balance. 12. Just then, Hillary said, " the rope came tight, and I swung into the ice wall . 13. This glacier offers ice walls suitable for ice climbing training by appropriately equipped and motivated groups. 14. The Indian soldiers started climbing the ice wall . 15. She lives inside Antaris, a community located among mountains, which is enclosed by an ice wall . 16. It was extremely difficult to attack, as it was surrounded by 457 m high ice walls . 17. Ninnis, his sledge and dog team had fallen through a crevasse wide with straight, ice walls . 18. But still, the soldiers practiced on a man-made ice wall and moved through the winter terrain. 19. Hillary said he and Tenzing carved steps into sheer ice walls where no human had been before. 20. TEPCO intend to create an underground ice wall to reduce the rate contaminated groundwater reaches the sea.
