It looks like the monumental temple standing imposingly at the Acropolis in Athens. But this replica in central Germany is not built with marble, but books that have been or remain banned.
"The Parthenon of Books" is the main showpiece at this year's Documenta -- the cult contemporary art show held once every five years in the university town of Kassel.
The work by Argentine artist Marta Minujin is a plea against all forms of censorship.
Minujin, 74, a pop art icon in South America, has described it as "the most political" of her works.