Over a hundred biennials of contemporary art currently exist in many cities and countries globally and new biennials develop in different cities all the time. Biennials of contemporary art share common practices all over the world and operate in a similar way. A biennial provides an up to date, flexible platform for the presentation and development of contemporary art as well as its related discourse. A biennial of contemporary art operates on both a local, regional and national level as well as in an international context. Biennials function on an artistic and cultural level and also incorporate social-political and economical aspects.