The Dom Luís I Bridge crosses the Douro River between the cities of Porto and Vila Nova de Gaia in Portugal. At the time of its construction - 1886 - its 172 metres (564 ft) span was the longest of its type in the world.
The Dom Luís I Bridge crosses the Douro River between the cities of Porto and Vila Nova de Gaia in Portugal. At the time of its construction - 1886 - its 172 metres (564 ft) span was the longest of its type in the world.