Thousands of people braved wintry temperatures and took to the streets in Hamburg’s city centre on Friday to protest against right-wing extremism. The broad alliance of trade unions, churches, cultural, political and business organizations joined together to rally under a common slogan: “Hamburg stands up – Together against right-wing extremism and neo-Nazi networks.” According to the police, some 10,000 participants were expected and regional trains heading towards the city centre were overcrowded in the afternoon. Anti-extremism demonstrations have taken place in several cities across German…