As Nancy Frey writes of the long-distance pilgrimage to Santiago de Compostela in Spain, 'When pilgrims begin to walk several things usually begin to happen to their perceptions of the world which continue over the course of the journey: they develop a changing sense of time, a heightening of the senses, and a new awareness of their bodies and the landscape....A young German man expressed it this way: 'In the experience of walking, each step is a thought. You can't escape yourself.