German Chancellor Angela Merkel (2nd L, Front), European Commission President Jose Manuel Barroso (2nd, R, Front) and President of the European Parliament Hans-Gert Poettering sign on "Berlin Declaration", in Berlin, capital of Germany, on March 25, 2007. Leaders of the European Union, celebrating the 50th birthday of the union, endorsed the declaration here on Sunday, vowing to achieve "a renewed common basis" by 2009. (Xinhua Photo) Photo Gallery>>>

German Chancellor Angela Merkel (C), European Commission President Jose Manuel Barroso (R) and President of the European Parliament Hans-Gert Poettering attend a press conference in Berlin, capital of Germany, on March 25, 2007. Merkel appealed to EU countries on Sunday to support the roadmap which will be presented soon by Germany for the revival of the constitution. (Xinhua Photo) Photo Gallery>>>