It is known as the iron heart of the country, responsible for half the region's 15m. tonnes steel output.
He could watch the slow dance of the continents as Earth gathered its primordial heat back into its iron heart.
The engine pounds like an iron heart, the train moves relentlessly westward.
The place which I have feasted, does it now, Like all mankind, show me an iron heart?
Here was the grim man with the iron heart and the dark and solitary soul.
He was her captor, a man with an iron heart, if any.
I was abasing myself to win that iron heart.
Regret was useless; long before their coming, the people of this world must have buried themselves in its iron heart.
Hitler called him "the man with the iron heart".
He was the Third Reich's evil god of death, the man with the iron heart.