... or Station de Pompage des eaux usées de Saint-Jean. A railway viaduct, a pumping station, the confluence of two rivers (the Rhône and the Arve), and a garden café. The pumping station was built in the 1960s by Georges Brera for Service Industriels de Genève (SIG). The Pont or Viaduc de la Jonction was built from 1942–44 and will be part of the Cornavin–Eaux-Vives–Annemasse (CEVA) rail link.