... The Pamir, or Bam-i-Douniah, is commonly called the "Roof of the World." From it radiate the mighty chains of the Thian Shan, of the Kuen Lun, of the Kara Korum, of the Himalaya, of the Hindoo Koosh. This orographic system, four hundred kilometres across, which ... — The Adventures of a Special Correspondent • Jules Verne