stone tower with sunlight at the medieval belmonte castle

europe portugal beiras estrela belmonte vacation travel tourist gothic medieval romanesque landscape charming sunny hill top slope stone wall old rustic romantic castle chateau stronghold bastion fortress tranquility tower rook landmark historical architecture keep rocky squared building deserted facade ancient outer rampart masonry curtain flare glow sunbeam sundown sunset sunlight walls square over small town birthplace navigator pedro alvares cabral eastern