selective focus on stone walls of ruins of ancient roman settlement in castro de são lourenço, vila chã - esposende portugal

4th age ancient antique archaeological archeology bronze castro century cha chã circular citania civilization construction culture defense defensive destination detail esposende eucalyptus europe excavations focus forest fortified historic historical history landscape lawrence lourenço mountain nature old outdoor past portugal portuguese rocks roman romanization ruins saint sao selective settlement stone structure system tourism touristic trail travel trees typical vila village walls