The Sun Trail at Saas Fee is billed as "…a route for children, the whole family, and anyone else who's interested." The fascinating language of the sun is explained on eight panels and in three languages. Why does the sun rise? Why is the sky red at night? Why exactly does the sun shine? How can the sun be used as an alternative source of energy? When and why are the sun's rays harmful to our skin? Find clear and easy-to-understand answers to these and many other questions.