It is easy to use Leading Lines to show depth in an image or guide the eye to a specific spot in the image. Instead, this week use leading lines to show the concept of infinity.
Landscape is one of the most practiced type of photography. Use Symmetry in a Landscape to create a new viewpoint for this week's image.
You already know what the rule of thirds is, now is the time to use it. Use Rule of Thirds to show motion in your picture.