Dance and performance have been present for several years in museums and galleries. This ratio reversing, showing Tanz im August contemporary art in the theater instead of the white cube and invites the collection Haubrok to present some exhibits in HAU1. In the only one-day exhibition includes works by Carol Bove, Olafur Eliasson, Elmgreen and Dragset, Philippe Parreno, Willem de Rooij, Andreas Slominski and Christopher Williams are shown. The title of the exhibition is a work of Andreas Slominski borrowed, "The earth, at the same time half the size and twice the size": An understanding of the conceptual work presupposes imagination, so the collectors who works tell only stories when you delve into them. Since 1988 Axel and Barbara Haubrok collect art, first painting, since the turn of the millennium mainly conceptual art. In Berlin can be seen since 2005 exhibitions, first in the private residence of Haubroks, from 2007 in the showroom at Strausberger Platz. Since 2013 they show their artistic and exhibition projects in the car service, the buildings of the former headquarters of the East German Transport Ministers in Berlin-Lichtenberg.