WITH STORY BY MONIKA SCISLOWSKA BC EUROPE EU ANNIVERSARY
Cars drive through a soundproof tunnel covering a highway in Warsaw, Poland, Wednesday, April 30, 2014, one of the many investments built with the help of European Union funds. Poland joined the European Union a decade ago, a time that made monumental changes in the country as well as in some other former Soviet satellite states in east and central Europe. (AP Photo/Alik Keplicz)