The Cathedral is an abstract oil painting on canvas created by Czech artist František Kupka in 1912–1913. Measuring 180 by 150 centimetres (71 in × 59 in), the painting is held by the Museum Kampa in Prague, Czech Republic. In this painting, vertical lines running the entire length of the canvas are intersected by diagonal lines to form rectilinear shapes of various sizes and colors.Painting: František Kupka