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ETHBIBIslas del GuadalquivirMittelmeerflug LBS MHB.tif cm exhibition history Institution ETHBibliothek Fotografie Negativ Spanienflug Reportage mit Bildern alle digitalisiert object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Islas del Guadalquivir Uploaded with GWToolset