Keywords: ETH-BIB-Piz Aul, Val Lumnezia v. S. O. aus 4000 m-Inlandflüge-LBS MH01-001381.tif 13 x 18 cm exhibition history Institution ETH-Bibliothek Fotografie Glasplattennegativ object history PD-old-auto 1937 Creator Walter Mittelholzer E-Pics Bildarchiv online http //doi org/10 3932/ethz-a-000342104 Template ETH-Bibliothek Piz Aul Val Lumnezia v S O aus 4000 m Uploaded with GWToolset ETH-BIB-Piz Aul Val Lumnezia v S O aus 4000 m-Inlandflüge-LBS_MH01-001381 http //www e-pics ethz ch/index/Wikimedia/wikimedia_bilder/LBS_MH01-001381 tif ETH-BIB Mittelholzer-Inland flights Aerial photographs by Walter Mittelholzer |