The Roman Bridge of Cordoba (Puente Romano de Cordoba).

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Roman Bridge of Cordoba R6 MRK2 RF24-105@24mm ISO100 f6.3 SS1/150sRoman Bridge of Cordoba R6 MRK2 FR24-105@58mm ISO500 f4 SS1/1600s

The Roman Bridge of Cordoba is in the Historic center of Cordoba, Andalusia, Southern Spain.  Originally built in the early 1st century BC across the Guadalquivir River.  Until the construction of the San Rafael Bridge in the mid 20th century, it was the city's only bridge.  A UNESCO World Heritage Site.