Around 20,000 people gathered in the south-western German city of Freiburg on Saturday to protest against right-wing extremism, according to police reports. More than 300 organizations, including the city’s Bundesliga football club, trade unions and churches had called for the largest event in the state of Baden-Württemberg. The city administration expected major traffic obstructions. Participants brought banners that read: “Human rights instead of the far right” and “Germany remains colourful.” Farmers with tractors also took part in the action. Demonstrations against right-wing extremism are…