In the distance he saw a hemispherical structure that was apparently made of steel.

In 1991 the tanks were updated and a hemispherical structure placed on top.

Its charm lies in its basic simplicity, a hemispherical structure of birch trunks, wind-proofed around the outside with turf bricks.

A dozen yards farther they came upon the second construction, a hemispherical structure made of a darkish material.

It had a 55-ton steel (some report it was a better conducting material, such as copper) hemispherical structure at the top (referred to as a cupola).

The outer surface of C.maritimum is scattered with hemispherical nitrogen-fixing structures (cephalodia) that are pinkish to brownish-grey in colour.

These hemispherical structures bear similarity to early Buddhist stupas.

At the top, a hemispherical structure lay face upward, glimmering and open like a marble bowl in the sunshine.

She could clearly make out the smooth curves of the main hemispherical structure rising from the salt deposits of the former lake.

The Europs, it seemed, had no idea of town planning; hundreds of hemispherical structures were scattered apparently at random over an area about a kilometer across.