Foto: Bernd Wackerbauer The summer festival at Olympiapark. Foto: Bernd Wackerbauer Blick auf das Winterfestival. Foto: Rob Blackburn Circus Oz is one of the highlights at the winter Tollwood.Different handicrafts are shown at the Market of Ideas. Foto: The Dream Engine Arts, theatre, and performance all merge into one. Foto: Close Act Theatre A variety of plays and shows keep the visitors entertained.