After June 15, travelers will be able to go anywhere within EU borders without having to pay any extra fees. Everyone will pay the same price, and there will be no exceptions to this rule. Everybody wins.
http://www.notebookcheck.net/EU-is-on-the-verge-of-removing-roaming-charges-for-good.195538.0.html
You could've chosen a better pic for this article considering Britain wants to leave the EU...