Students stduy during their lunch break in front of a pool on the campus of the Johann Wolfgang Goethe University in Frankfurt, Germany, 18 May 2004. The campus in the Westend district of the central German city is the site of the the "IG Farben Hochhaus" which is under monumental protection and was built from 1928 until 1931 by architect Hans Poelzig as headquarters for the IG Far