Participants hold German national flags during a demonstration organised by anti-immigration group PEGIDA in Dresden

Participants hold German national flags during a demonstration organised by anti-immigration group PEGIDA, a German abbreviation for “Patriotic Europeans against the Islamisation of the West”, outside Semperoper opera house in Dresden December 22, 2014. More than 17,000 people took part in Germany’s largest anti-immigrant rally to date on Monday in the eastern city of Dresden, gathering to sing Christmas carols and listen to speakers complain about immigrants and asylum-seekers. REUTERS/Hannibal Hanschke (GERMANY – Tags: POLITICS CIVIL UNREST SOCIETY IMMIGRATION RELIGION)