John Keay in conversation with Yashaswini Chandra Himalaya is one of the world's most extraordinary geophysical, historical, environmental and social regions. More rugged and elevated than any other zone on earth, it embraces all of Tibet, six of the world's eight major mountain ranges and nearly all its highest peaks. It contains around 50,000 glaciers and the most extensive permafrost outside the polar regions. Over an area nearly as big as Europe, the population is scattered, often nomadic an