Where did the now widely used corner composition originate?

The corner composition originated from the Southern Song painters Ma Yuan and Xia Gui. Ma Yuan's landscape paintings often put the mountain scenery in a corner, with the mountain's steepness and the large area of blankness to form a strong contrast, the location of the operation of the unique and the ultimate, so the people called it a "corner of the horse". After Ma Yuan, Xia Gui's half-bordered composition appeared. Xia Gui was influenced by Ma Yuan's "One Corner of the Mountain", and used the corner of the landscape, skillfully utilizing the blank space on the screen to express the deep and vast painting environment. His unique half-bordered composition was highly respected by the people of the time, and was called "Xia half-bordered". Ma Yuan and Xia Gui broke with the traditional rules of composition, which were complicated and flat, by adopting a marginal composition, which made the near and distant scenes distinctly layered. And on this basis, the use of ink and brush skills, the use of ink color changes, so that the picture of the virtual reality, far and deep, giving people "no painting everywhere into a wonderful world," the enjoyment of art.