The silhouettes of buildings and a construction site against the setting sun.
The shadow cast by a palm frond.
Shadows from the fire escapes of a 100 year old apartment building.
The silhouette of an American Crow.
Posted for The Cosmic Photo Challenge: Shadows and Silhouettes.
Zebra's Child 
Really nice selection, I particularly like the fire escape shot.
Thanks, Dale.
Great selection; I especially like the palm shadow
Thank you Su. It’s interesting that different people have different favorites.