What kind of photographic composition will make the audience feel the most unstable visually?

The inverted triangle composition in photographic composition will make the audience feel the most unstable vision. The hint of triangle stability is obtained from geometry, and the regular triangle composition method is often used to express the sense of stability in the form of photographic composition. Contrary to the regular triangle composition, the inverted triangle composition originates from people's own characteristics. When the golden rooster stands on the ground with one foot, it will have a poor sense of balance and tilt, and the psychological hint of inverted triangle composition is unstable and dangerous. It is another matter for photographers to choose inverted triangle composition according to different creative intentions.