11. These slides were taken in October 2008 and have been put together to illustrate a variety of different shaped valleys from the smaller rills and gullies so relatively easily eroded by water in the loosely consolidated rocks of the Pyrenees to the broader glacial valleys with their characteristic shapes. They feature photographs from the Ara and Cinca valleys near Ainsa and include slides taken on a journey to Veilla. Paul Routledge 2008