Anti-nuclear protesters hold banners and placards outside the city hall where the Charlemagne prize award ceremony takes place in Aachen, western Germany.

Anti-nuclear protesters hold banners and placards outside the city hall where the Charlemagne prize award ceremony takes place in Aachen, western Germany.

Anti-nuclear protesters hold banners and placards outside the city hall where the Charlemagne prize award ceremony takes place in Aachen, western Germany.

Anti-nuclear protesters hold banners and placards outside the city hall where the Charlemagne prize award ceremony takes place in Aachen, western Germany.