In a city armed with 20,000 police agents, including 2,500 special units, on 7/8 July 2017, the G20 summit in Hamburg was held. A summit contested by thousands of people who welcomed the arrival of the world leaders with the slogan "Welcome to Hell." Thousands of people have manifested their dissent with acts of obstructionism every day and night of the summit. The police had to intervene massively, with hydrants, armored vehicles and much else to stem the multiple protests in the city.
