@lutz: wie wärs mit diesem? 
… ist zufällig gerade was geplant…
for unicycle is the Köste much better,
Berlin ist a jugglingconvention in the FEZ “Freizeit Erholungs Zentrum” with little lake for swimming and camping on beach. In the FEZ is only 1 little sporthall and this is full with jugglers, there is a good outside for trial. Berlin start one Day early.