There are shadows everywhere. They present to me an essence of the Self of a tree, an animal, an object, me on the road.
My silhouette and the bamboo in my garden are one ordered entity derived from the Sun.
At times, it empowers being a part of the universe, other times bewildering and sometime frightening.
You might want to read a wondreful book by Peter London: Drawing Closer to Nature, Shambala, 2003