The sun glides over the white-blue rock, the glaring back-light on the snowflakes whisked up by the wind, mirror-images in waterfalls and ice-fields, glaciers veined with moraines, further on the dark caves and cliffs, stone chasms that seem infinitely dark, the cool shadow on the north flank of the rocks, damp chilliness, woods at the foot of the valley. An unceasing interplay of light and shade teaches us, mankind, to get a feel of the Alps.These powerful, almost poetic images spark off the co...