Funny. Seems that the picture of Zurich was just taken when the annual "Zürcher Theater Spektakel" happened:



About the Zürcher Theater Spektakel:
Founded in 1980 as an annual international meeting of independent theatre groups, the Zürcher Theater Spektakel quickly evolved into a cultural event of international appeal. Today it ranks among the most important European festivals for the contemporary performing arts. This success story has been based on consistent and artistically outstanding programming, a unique atmosphere, the large number of engaged and open-minded spectators.

Tags: zurich, art, switzerland, sightseeing