Polish President Bronislaw Komorowski, right, smiles, as former president Lech Walesa, left, gestures at the European Picnic in the Lazienki Park in Warsaw, Poland, Thursday, May 1, 2014. Ten years ... more 
Polish President Bronislaw Komorowski, right, smiles, as former president Lech Walesa, left, gestures at the European Picnic in the Lazienki Park in Warsaw, Poland, Thursday, May 1, 2014. Ten years ago Poland joined the European Union, a time that made monumental changes in the country. Behind is former president Aleksander Kwasniewski. (AP Photo/Alik Keplicz) less 
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Associated Press | Photo By Alik Keplicz
Thu, May 1, 2014 9:33 AM EDT