The German capital Berlin marks the 35th anniversary on Saturday of the fall of the Berlin Wall which once divided the city. German President Frank-Walter Steinmeier will take part in a central commemorative event at the Berlin Wall Memorial. Berlin’s governing mayor, Kai Wegner, will give a speech. Tens of thousands of visitors are expected at the “Freedom Festival.” In a huge open-air installation, 5,000 posters will be displayed in the city centre along the former course of the Wall. They combine the demands of demonstrators in autumn 1989 with today’s aspirations and were created in worksh…