Cave explorers delve into uncharted territory

The Geltenbach Cave in the Bernese Oberland is one of few unexplored places left in Switzerland. For six years, amateur spelunkers have been exploring this inaccessible cave and have already surveyed more than three kilometres of passages. (SRF/swissinfo.ch) --- swissinfo.ch is the international branch of the Swiss Broadcasting Corporation (SBC). Its role is to report on Switzerland and to provide a Swiss perspective on international events. For more articles, interviews and videos visit swissinfo.ch or subscribe to our YouTube channel: Website: http://www.swissinfo.ch Channel:    / swissinfovideos   Subscribe: http://www.youtube.com/subscription_c...