Porto - Portugal - Spring 2009
August 20th 2012 Porto is a busy industrial and commercial center. The city itself isn't very populous (about 240,000 inhabitants), but the Porto metropolitan area (Greater Porto) has some 1,500,000 inhabitants in a 50 km radius, with cities like Gaia, Matosinhos, Maia, Gondomar, and Espinho.
The city was built along the hills overlooking the Douro river estuary, and its historical center was awarded World
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