blue cliff coast coastline isthmus land landscape mediterranean natural nature rock Sardinia sea shore shoreline spit summer view buildings Greece Greek Gytheio harbor harbour hills holiday leisure mountains resort town vacation water forest green misty Peloponnese spring trees beach coastal cyprus promontory sky boulders crumbling eroding erosion Malta Natural landscape St Paul's Bay architecture Balearic Islands barrier elements fence gray grey majorca rough rural slope Spain spanish stones walls arch balcony clock hall houses palm stone terrace tree villa village ancient bell building christian church historical landmark old orthodox religion religious tower archaeology cloud couple culture history marble pair pillar ruins two exercise hike hiking island path track trail walk