The Prologue (1/6)
A mystic power
    Eternal flame
Petroleum has been known for thousands of years. Burning natural gas is known to have been worshipped as "eternal flames". But nobody knows where and how people first learnt to understand and exploit this power. The Old Testament recounts the story of Moses and the burning bush: "Behold, the bush burned with fire, and the bush was not consumed" (Exodus 3.2).

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