Berlin 30 April 2009. Walpurgisnacht the night of partying before 1... Fotografía de noticiasAlemania,Berlín,Horizontal,PolíticaPhotographer Federico VeraniCollection: Moment © 2009 Federico Verani[UNVERIFIED CONTENT] Berlin 30 April 2009. Walpurgisnacht the night of partying before 1 may. Groups of anarchists have organized an unauthorized demonstration in the Friedrichshain district. During this demonstration are broken shop windows and burned cars, several demonstrators were arrested by police.