Some amazing, but ultimately sad images of how fast glaciers are retreating

[Tinkerbell]

Stunning images from high in the Himalayas - showing the extent by which many glaciers have shrunk in the past 80 years or so - have gone on display at the Royal Geographical Society in central London.

Between 2007 and 2010, David Breashears retraced the steps of early photographic pioneers such as Major E O Wheeler, George Mallory and Vittorio Sella - to try to re-take their views of breathtaking glacial vistas.

Rivers of ice: Vanishing glaciers