city fortifications in city of kos on the seashore.

fortification watercraft landmark waterway building vehicle terrain tourism castle tower coast ruins cliff wall boat sea bay ancient architecture captured front view castle citadel city city fortifications walls cityscape coastline defense destination embankment famous fort fortification fortified gate gateway greece greek harbor heritage historic historic center island kos landscape old old protection sea seashore seaside shore sonne stone surrounding wall tourism travel vacation water level wave fortress europe mediterranean