'Art Cologne' exhibition at Kolnmesse in the western German town of Cologne

A man with an umbrella passes an advertisement in Berlin April 15, 2008.

A woman protects herself from rain under an umbrella as she visits the Holocaust memorial in Berlin April 15, 2008.

The artist Theo Boettger sits in front of his picture called "Ernaehrerin" during the 'Art Cologne' exhibition at Kolnmesse in the western German town of Cologne April 15, 200. The 42nd international fair, consisting of modern and contemporary art is open from 16 - 20 April 2008.

People protect themselves from rain under an umbrella as they visit the Holocaust memorial in Berlin April 15, 2008.

A visitor passes behind the sculpture 'Puma-Dentist' made with plastic, wax and original heads of a puma and a hind by Austrian artist Deborah Sengl during an exhibition at the art gallery Deschler in Berlin April 15, 2008. The exhibition 'Of Sheeps and Wolfes' is open to the public till April 24, 2008.

A visitor looks at the artwork 'Woolf-Sheep-Priest' made with plastic, wax and an original head of a sheep by Austrian artist Deborah Sengl during an exhibition at the art gallery Deschler in Berlin April 15, 2008. The exhibition 'Of Sheeps and Wolves' is open to the public till April 24, 2008.

Visitors pass behind the artwork 'Wolf-Sheep-Priest' made with plastic, wax and an original head of a sheep by Austrian artist Deborah Sengl during an exhibition at the art gallery Deschler in Berlin April 15, 2008. The exhibition 'Of Sheep and Wolves' is open to the public till April 24, 2008.

The artwork 'Woolf-Sheep-Priest' made with plastic, wax and an original head of a sheep by Austrian artist Deborah Sengl is displayed during an exhibition at the art gallery Deschler in Berlin April 15, 2008. The exhibition 'Of Sheeps and Wolves' is open to the public till April 24, 2008.

A man sits on an outsized chair called "chaise" by the artist Lilian Bourgeat during the 'Art Cologne' exhibition at Kolnmesse in the western German town of Cologne April 15, 200. The 42nd international fair, consisting of modern and contemporary art is open from 16 - 20 April 2008.