7/36.- Porto, Douro River

The Douro river has always been an excellent communication channel with the rest of the world. The Atlantic Ocean lies a few miles from the city of Porto.

In the middle age Portugal was the end of the world. This situation would not last long. In the 15th century Portuguese sailors began their exploration travels. Portuguese explorers were the first to circumnavigate the earth, among other milestones. It seems that the huge ocean Portuguese have in front --the Atlantic Ocean-- was a temptation too big too resist.

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