Cangas de Onis historic medieval Roman bridge over the Sella River in Picos de Europa National Park, Asturias, Spain, Europe

photography horizontal color image travel destinations outdoors daytime no people picos de europa national park national park leon spain europe cangas de onis historic site ancient rome bridge architecture sella river river water cloud sky tree nature trees travel destination tourist destination tourist destinations travel skies rivers flowing water outdoor outside nobody no one no person national parks public land day bridges connection connections