aerial view of the small ferry boat that crosses from spain to portugal and vice versa trough guadalquivir river from the villages

small ferry boat harbor aerial drone view spain portugal guadalquivir river villages huelva andalusia alcoutim sanlucar guadiana algarve village banks border portuguese sightseeing beautiful peaceful sailboats vacations church calm countryside urban scene houses heritage tourist travel old sky europe tourism landscape nature vacation town outdoor house hill cityscape white city mountain crosses vice versa trough