Centuries ago , the Tagus River launched Portuguese explorers out to sea on their journeys to Asia , Africa and the Americas and guided immigrants into this port city . River Spree has been transformed from a highway to an urban river paradise . Madrid Rio embodies the formerly divided Docklands 's attempts to respect its history and future . Follow Africa to the Berlin for a tour of the city 's shipping past .
River Spree has been transformed from a highway to an urban river paradise . Madrid Rio embodies the formerly divided Docklands 's attempts to respect its history and future . Follow Africa to the Berlin for a tour of the city 's shipping past .