limestone

Its hulking form and heavy materials — oceans of granite, limestone and concrete — created an intimidating place that stood for strength, power and winning.

The blue paint mixed with limestone plaster - also used in the homes of Brahmapuri - cooled the interiors of the structures, besides bringing in tourists drawn by the neighbourhood’s striking appearance.

When a new electric arc furnace is completed, with £500m of taxpayers' cash, and production returns, it will be without coal, iron ore or limestone.

Four years later, renovation work saw limestone blocks cemented on top of the slabs, which sparked accusations that it had spoiled the stones' natural beauty.

They found the same difference in shape between Earth lakes known to have been eroded by waves and lakes affected by uniform erosion, such as dissolving limestone.