What is the huge swamp of Seville in Spain?

The huge swamp near Seville, Spain, is known as the Doñana National Park, a UNESCO World Heritage site. This vast wetland area is rich in biodiversity, home to numerous species of birds, reptiles, and plants, making it a vital ecological zone. It serves as a crucial habitat for migratory birds and is also significant for conservation efforts. The park's diverse landscapes, including marshes, dunes, and forests, attract nature enthusiasts and researchers alike.