"A Guest + A Host = A Ghost" stunningly pairs Urs Fischer's "Untitled (Hole)" (2007) with eight powerful gouache-on-paper works by Kara Walker from 1996.

Installation view, "A Guest + A Host = A Ghost – Works from the Dakis Joannou Collection," DESTE Foundation, Athens, May 7 - December 31, 2009

Photo by Stefan Altenburger, courtesy DESTE