RhB electric multiple unit class ABe 4/4^II, Brusio spiral viaduct
RhB ABe 4/4^II EMU passing the Brusio spiral viaduct together with another ABe 4/4^II EMU (behind the tree) valeward. A signature structure of the World Heritage-listed Bernina railway, it was built to limit the railway's gradient at that location within its specified maximum of 7%. Photo taken Sunday 22 June 2003. Photo: Steffen Mokosch (Steffen.Mokosch@web.de)