Essen, GermanyMarch 21–25, 2012 With over 1200 exhibitors from 30 countries, as well as 220 club displays, it takes all 4 days to see all that Essen has to offer.Photo: Rainer Schimm / Messe Essen Fabled Auto Union prewar hillclimb car was part of Audi’s corporate display. Over 20 manufacturers staged displays.Photo: Hans Hartwig / S.I.H.A. Ausstellun Lavish displays have become an Essen trademark.Photo: Rainer Schimm / Messe Essen With 21 Pegasos on display, this was reported to be the largest collection of the Spanish marque in one location.Photo: Rainer Schimm / Messe Essen Mercedes-Benz staged an enormous display paying homage to the history of the SL.Photo: Rainer Schimm / Messe Essen Prewar Alfa Romeo Tipo B monoposto from the Alfa museum in Arese.Photo: Hans Hartwig / S.I.H.A. Ausstellun Even street rods and more modern classics were represented.Photo: Hans Hartwig / S.I.H.A. Ausstellun The early days of Le Mans.Photo: Hans Hartwig / S.I.H.A. Ausstellun In addition to automobiles, classic motorcycles were also well represented, as seen here by this early Opel.Photo: Hans Hartwig / S.I.H.A. Ausstellun