On either side of the ship, sheer rock walls towered upwards to a height of 1100 metres. (greatrail.com)
Working from subjects that range from sheer rock walls to the California coastal redwoods, Sherman's paintings represent a claustrophobic and unstable world through a perspective that shimmies between representation and abstraction. (pafa.org)
Two thousand years ago a storm drove a Roman ship against a sheer rock wall on the north side of the remote Greek island of Antikythera. (scientificamerican.com)