Thousands of people have joined rallies across Germany and other European countries to show their support for the idea of a united Europe. <br/><br/>The weekly protests began last year as an attempt to counter growing nationalist sentiment on the continent, often expressed in opposition to the European Union.<br/><br/>Protesters in Berlin, Frankfurt, Cologne and dozens of other locations danced, sang and waved the EU flag 12 stars on a blue background during the rallies today.<br/><br/>The protests are organised on social media by a group calling itself Pulse of Europe. The group says it isn't tied to any particular political party.<br/>