Corridor Through the Pines, c. 1300, Unknown, 9 11/16 x 9 1/2 in. (24.61 x 24.13 cm), Ink and color on silk, China, 13th-14th century, This small oval ink painting displays the landscape subject matter and 'one-corner' compositional device associated with Xia Gui (active 1180-1224) and other artists of the Southern Song painting academy. In 'one-corner' compositions, the subjects of the painting are pushed to a corner or a side. This school of professional painters maintained their popularity with the court and Hangzhou aristocracy into the early Ming period (1400s).