Yosemite Valley Left View Drawing Pencil

A preparatory sketch for a triptych that I am undertaking for my nephew Paul who honeymooned in the states with his wife Carly. Both were inspired by the national park and especially this view which they photographed down the valley. El Capitan is on the left of the valley in their photograph I have drawn it so that it may form in due course the left canvas of the triptych.