ancient ruins of spinalonga a fortified leper colony. the fortress was built by the venetians

spinalonga island door ruin fort medieval fortress history sightseeing crete stone greece wall blue sky sea old building abandoned leper leprous aegean kalydon colony water castle tourism venetians greek bastion bay mediterranean monument nature leprosy scenic historic historical arch landscape travel summer europe rock day outdoor stones rocks ruins ancient fortified colony built venetians isolated lepers humans hansen's disease gulf elounda