QUOTE : Conway felt again, as he gazed up at the stupendous mountain wall, that there was a superb and exquisite peril in the scene; but for some chance-placed barrier, the whole valley would clearly have been a lake, nourished continually from the glacial heights around it. Instead of which, a few streams dribbled through to fill reservoirs and irrigate fields and plantations with a disciplined conscientiousness worthy of a sanitary engineer. The whole design was almost uncannily fortunate, so long as the structure of the frame remained unmoved by earthquake or landslide