fort on fortress of hill covered by green olive trees

europe portugal alentejo elvas vacation travel trip tourist picturesque landscape countryside charming quiet sunny summer rural green olive tree woods parched field uphill hill top slope steep escarpment farm old rustic architecture defense fortification stronghold bulwark bastion fortress finery ground orchard ranch estate meadow tranquility horizon bucolic house strategic site fort covered trees nossa senhora graa dry vegetation day gracious starshaped city easternmost frontier