Image 2Teufelsbrücke (Devil's Bridge) on the route to the Gotthard Pass; the currently used bridge from 1958 over the first drivable bridge from 1830 (from Alps)
Image 12Hallstatt is known for its production of salt, dating back to prehistoric times. (from Alps)
Image 13The Aletsch Glacier with pine trees growing on the hillside (2007; the surface is 180 m (590 ft) lower than 150 years ago) (from Alps)
Image 14An "Alp" refers to a high elevation pasture frequented only in summer. It often includes several huts and small places of worship (here the Alpe Bardughè in Ticino). (from Alps)
Image 15The Alps extend in an arc from France in the south and west to Slovenia in the east, and from Monaco in the south to Germany in the north. (from Alps)
Image 19Alpine chalet being built in Haute-Maurienne (Savoy), the use of thick pieces of orthogneiss (4–7 cm) is by the strict architectural regulations in the region bordering the national parks of Vanoise-Grand Paradis. (from Alps)
Image 26The geologic folding seen at the Arpanaz waterfall, shown here in a mid-18th-century drawing, was noted by 18th-century geologists. (from Alps)
Image 34In the summers the cows are brought up to the high mountain meadows for grazing. Small summer villages such as the one shown in this photograph taken in Savoy are used. (from Alps)
Image 35Compressed metamorphosed Tethyan sediments and their oceanic basement are sandwiched between the tip of the Matterhorn (Italian-Swiss border), which consists of gneisses originally part of the African plate, and the base of the peak, which is part of the Eurasian plate. (from Alps)
Image 36Aerial view of the Pennine Alps, the second-highest range of the Alps (from Alps)
Image 37Napoleon passing the Great St Bernard Pass, by Edouard Castres (from Alps)