Friday Photo (109): Souvenir Rocks Rosalie Tostevin December 13, 2013 Himalaya Conference, India, Photos Comments Closed Himalayan rocks are peddled to tourists in Leh, Ladakh. Credit: Rosalie Tostevin, Geology for Global Development Leh, Ladakh, 2013 By Rosalie TostevinRosalie was the Himalayas Programme Officer for Geology for Global Development and writer for the GfGD blog. She is a geochemist and a postdoc at the University of Oxford.