"I usually prefer a wide, horizontal format for my landscapes. In fact, I like to break a few rules to create a strong impression of the vast openness of the plains.

"The standard proportion for a landscape canvas has a ratio of 1 to 1.618. This is called a golden rectangle or golden mean.

"The golden ratio has been used in art for thousands of years. It’s often called one of the most visually appealing of all geometric forms.

"But I thought, What if I cut a golden rectangle in half for my canvas? Let's give it a try!

"There's something else to think about:

"Where to place your horizon line."