Beautiful Mountain River Valley. River Odiel. Andalucia. Spain. Royalty-Free Stock Photography

The area between the southeast of Portugal and the west of Andalucia keeps one of the largest reserves of copper in the world. The river Odiel is located in the middle of Huelva’s mining area, a piece of Mars on Earth. The gold and silver of Huelva’s mines attracted Phoenicians, Greeks and then Romans to the mythical land of Tartessus. This millennial mining activity has transformed the river