Spain has diverse landscapes shaped by its physical geography and climate. Rivers like the Ebro and Guadalquivir flow into the Mediterranean and Atlantic seas. Mountains include the Pyrenees and Sierra Morena. Natural landscapes are influenced by relief, climate and vegetation, while humanized rural and urban landscapes have been transformed by human activity. Forests vary from deciduous in the north to Mediterranean and scrubland in the south. Alpine landscapes are found in mountainous areas and the Canary Islands feature diverse subtropical landscapes.