<p>Demonstrators in Hamburg, Germany, protested the start of the G20 summit in the city July 6. The ‘Welcome to Hell’</a> demonstration took place in Fischmarkt district as participants chanted and rallied against the world leaders in attendance.</p><p>A heavy security presence was evident from videos showing the demonstration as police warned protestoes</a> the rally would not go ahead unless individuals removed masks covering their faces. Credit: Instagram/elbgestoeber via Storyful</p><br />