In Córdoba it is easy to see the river's importance and how it has influenced life, culture, the land and history.There is the Roman bridge, and the focus of all the cultures (Roman, Arab,
Christian, etc.) is the river: the most important buildings and monuments incorporate are centred around the river.
The Guadalquivir's basin takes water from 8 Andalusian provinces, such as: Murcia, Albacete, Ciudad Real and Badajoz. The river creates marshy lands, "marismas". These marshes are essential for
the environment and wildlife. The marshes are the habitat for various fish, birds, insects and plants.