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</html><thumbnail_url>http://octopusfoundation.org/wp-content/uploads/2026/01/Photo-couve-epave-1.jpg</thumbnail_url><thumbnail_width>1142</thumbnail_width><thumbnail_height>702</thumbnail_height><description>Since Antiquity, the Swiss lakes have been central to transporting people and goods. Through the ages, many vessels were lost, some of which were buried under several meters of protective sediment. Now threatened by lake erosion, this 18th-century shipwreck has recently reappeared and must be studied by scientists.</description></oembed>
