Forrest for the trees.

I have learned, finally, that if you want to show the size of something, you need to have a reference point. Though I often try not to have any people in my images, people are a very good for reference, because most people have a pretty accurate idea of the size of a person. The group of people in the bottom left corner of the image shows how they are dwarfed by the enormous height of these trees in Muir Woods near San Fransisco.