The new air base would be built on reclaimed land there, where sea turtles and marine mammals called dugongs now swim around coral reefs in turquoise blue waters.

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On the road from Amasra, 12km before Cide, a small winding road leads to Gideros Bay, where the Kure mountains part to reveal pristine turquoise blue waters, clear enough to see the sea bed from the shore.

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Lakes are the colour of turquoise, so blue that you have to wonder if there is something unnatural behind their hue.

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From every angle the Strait is in full view nothing but turquoise and navy-blue water and raw cliffs.

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The Turquoise Coast is a glistening stretch of clear blue sea where gods once played in sublime pebble coves and now spectacular ruins abound.

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Several hundred invited guests, all wearing the blue hard hats, took construction elevators up to a top floor to stare out over the turquoise water, sip similarly colored cocktails and hear a speech or five.

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