Which Composition is Best?

When you got several photos of the same image, how do you know which is best?

Let’s analyze:

We have three photos:

Which is best?

Let’s dig deep:

1. First photo

2. Second photo

3. Third photo

All three:

As slideshow:

Original photos:

My gut says the last photo is best. Why?

Composition abstract

Perhaps this is because two triangles— this shape is the most dynamic?