FRANKFURT.- The internationally renowned German artist Thomas Demand (born in Munich in 1964) will realize a site-specific room-spanning work in the Städel Museum’s historical Metzler Hall in the context of the institution’s structural and thematic extension. The installation “Saal” (Hall, 2011) covers all four walls of the 240-square-meter event space with an illusionistic crimson curtain which reveals itself as an optical illusion on closer inspection. Spanning a wall area of 380 square meters, “Saal” is the largest work conceived by Demand for a museum to date. “Encompassing moments of the past and the present, Thomas Demand’s works are concerned with the reality and transformation of visual memory. What we found particularly appealing in this context was inviting the artist to deal with a historical building that houses an important collection of