Thermopylae Pass — View of the Thermopylae pass from the area of the Phocian Wall. In ancient times, the coastline would have been much closer to the mountain, near the road to the right. This is a result of sedimentary deposition.
Photo Credit: By Fkerasar - The picture has been taken by me. It is part of a relevant photo gallery at Battle of Thermopylae. All the material is available under the GFDL., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1961535