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Islands.com on MSNThe World's Largest Natural 'Mirror' Is A Surreal Landscape Of Water, Salt And Sky In South AmericaFor one of the most incredible naturally occurring sights and experiences in the world, head to South America's epic, ...
With this sextant, one of the mirrors ( mirror A in the diagram) is half-silvered, which allows some light to pass through. In navigating, you look at the horizon through this mirror. The other ...
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