1. Inhalt
  2. Navigation
  3. Weitere Inhalte
  4. Metanavigation
  5. Suche
  6. Choose from 30 Languages


Expedition into the lonely Tibesti Mountains

A geologist amid 100,000 square kilometers (38,610 square miles) of lonely expanse and volcanic craters: Stefan Kröpelin crossed the Tibesti mountains in northern Chad to research the history of the Sahara’s climate.