Steam achievements in Civ5/Marco Polo

{| class="wikitable"
| || Marco Polo
| Be the first to explore and uncover 1000 tiles, across any number of playthroughs.
:Marco Polo was an explorer and merchant from Venice, Italy, who travelled to China and back in the 13th century and wrote a book, Il Milione, which describes his epic journey in a time when most people in Europe had barely been outside their village.
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Category:Steam achievements in Civ5