Ponte Dom Luís I
Updated: Apr 11, 2021
Designed by German architect, Téophile Seyrig (1843-1923), a disciple and business partner of French engineer Alexandre Gustave Eiffel (of Eiffel Tower fame), the Ponte Dom Luís I had the longest span of any metal bridge in the world when it was completed in 1886.
https://www.portugalvisitor.com/portugal-attractions/porto-bridges
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