The cold gray monoliths of Manhattan seemed like challenging structures.

As for colorblindness, they cannot see that unlike the Russia of 10 years ago, today's Russia is not just a gray monolith.

Penderleigh Castle rose before them like a giant gray monolith, its ancient stone gleaming in the dull gold of the setting sun.

A dull grey monolith tapering to a needle point, it rested on three streamlined fins that emerged from three-quarters of the way up its hull.

Ugly: a gray monolith on a gray rock island.

Outside, their building looked exactly like the other twenty gray concrete monoliths in the complex.

He looked up through the windshield at the gray monolith that was Parker Center.

He argued against motorway expansion and the production of grey, colourless monoliths.

Tommy was a dwarfed, shapeless figure approaching a great grey monolith, the cable pod.

They shifted the pod to a hospital flitter then and skimmed off toward one of the gray monoliths which ringed the field.