Texas Picture of the day archives: 2014 February < 2014 February 9 2014 February 11 > Picture of the day The Dom Luís Bridge is a 172-metre (564 ft) long metal arch bridge that spans the Douro River between the cities of Porto and Vila Nova de Gaia in Portugal. Designed by Téophile Seyrig, construction was completed in 1886.Photograph: Diego Delso Archive – More featured pictures...