夏季，从空中俯瞰，一条河流入海口被芦苇和莎草等河岸植被环绕的淡水泻湖。西班牙加泰罗尼亚地区埃布罗河三

d aerial view of a freshwater lagoon surrounded by riparian vegetation such as rushes and reeds at the mouth of a river in summer. Small lakes in the Ebro Delta near the Canal Vell pond. It is one of the areas with the most birds and biodiversity in the Mediterranean and a large protected natural park and an animal reserve for bird migrations and freshwater and sea water birds (Baix Ebre, Delta de l'Ebre, Terres de l'Ebre, Tarragona, Catalonia, Spain)