Mountain biking: Up hill and down dale

Mountain biking is a high-energy, high-speed way of experiencing the natural environement, from sttep hills and rocks mountain paths to fields and forests.It's all about getting off the beaten track and finding new routes to speed, scramlbe and jump your way from one hill to another. This vibrant series of photos gives you an impression of the world of mountain biking, from the solitude of Monument Valley in Arizona, to South Africa and the uniquely beautiful landscape of Cappadocia in Turkey.