As part of a series looking at stories beyond the trenches of Europe, BBC Azeri's Leyla Najafli explores how Baku's oil drew the world's forces to the shore of the Caspian Sea during World War One. Show less
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As part of a series looking at stories beyond the trenches of Europe, BBC Azeri's Leyla Najafli explores how Baku's oil drew the world's forces to the shore of the Caspian Sea during World War One. Show less