He did not recognize the features of this melancholy landscape; they had all changed since his last visit; nay, they were changing under his very eyes, as this or that far mountain-top receded behind a veil of gray, or a shadow of greater darkness advanced with stealthy tread along one of those lonely glens.
"Prince Fortunatus"
William Black
Is he in seas or in streams, or in mountains or in glens?
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
At sunset, on such a day, as evening calmness settles down, weird mountain shadows begin to move across the dimly-lighted glens; and when darkness has fallen, there is a mystic stillness, broken only by the ceaseless throbbing of the sea-waves, the flow of brooks, and the voices of the night.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz