Here the demonstration in Athens.
Follow the link for videos of London, Berlin, Lisbon, and Prague demonstrations
http://roarmag.org/2011/05/protesters-take-to-the-streets-of-100-european-cities/?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+roarmag+%28Reflections+on+a+Revolution%29&utm_content=Yahoo%21+Mail