»PostGarden – SPY Photo Series«, 2011 by Cao Fei.

»Factum I«, 1957 by Robert Rauschenberg.

»Factum II«, 1957 by Robert Rauschenberg.

»Versions«, 2010 by Oliver Laric.

»The Royal Exchange (after Henry Talbot)«, 2009 by Zachary Formwalt.

»Return of 2pac!«, 2009 by Sebastian Lloyd Rees.

For her project »Postcards«, 2007, Katerina Drzkova systematically collected postcards from the 1960s to the 1980s. They are never identical. The pair »Tropical Beach« differs in several details and a time shift of a few minutes is apparent. Different photographers are named at the back, a different place and time of posting, the addressee is the same.

»Refugees«, 2007. Documentary photographs of refugees digitally manipulated and colored. The refugees appear in new spaces constructed according to their wishes. By Katerina Drzkova.

»Untitled« (Perfect Lovers), 1991. These two identical, adjacent, battery-operated clocks were initially set to the same time, but, with time, they will inevitably fall out of sync. By Felix Gonzalez-Torres.

“Two Clocks” (1992) by Dieter Kiessling.

“Hourglass Mirror” by Daniel Rozin. The image of the viewer is created by the movement of the grains of sand in the upper part of the hourglass, in the lower part of the hourglass a representative color of the viewer is settled to create a sediment that keeps building up creating a history of a few minutes worth of viewers. Video.