Actually they are legally required to under the Schengen agreement. Since Greece borders a non EU state it's required by law to protect its external borders.

None the less I have to laugh at EUtards who scream about 'walls'. I dearly hope dozens of Turks are caught in the razor wire, captured or shot at and tossed back to Erdoganland.

http://israelmatzav.blogspot.com/201...der-fence.html