Multihalle, Mannheim

The Multihalle is a multi-purpose hall in Mannheim's Herzogenriedpark, built for the 1975 Federal Garden Show. The structure was designed by Carlfried Mutschler andJoachim Langner. The supporting structure was designed by Frei Otto as a lattice shell; it is still the largest freely formed wooden lattice shell structure in the world. The Multihalle is considered a major work of organic architecture and has been a listed building since 1998.