Where’s Andrew? Photo Clue #25

What is this mysterious tunnel? Make your best guess in on today’s photo clue from Andrew Evans…

January 4, 2010

Australia has its unsung heroes, like those who dug holes untouched by zeros.

Where am I and what is this?

Make your best guess at our online Clues Gallery, and follow all of Andrew’s travels at www.nationalgeographic.com/wheresandrew and @WheresAndrew on Twitter. 

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