Phillips traced the steps of famous explorer, Sir Ernest Shackleton.

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Google Maps headquarters is located in the idyllic-sounding Mountain View, California, but when I visited to discuss the future of mapping I was ushered into a windowless conference room named after a famous explorer.

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This survey opened with a sight of the Vasco da Gama bridge, built to commemorate the 500th anniversary of the explorer's famous voyage of discovery.

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