In Alte Bäume, Paul Klee presents a vibrant landscape filled with abstract trees. The colors are bold and varied, featuring shades of green, blue, and yellow. The trees are stylized, with swirling forms that suggest movement and life.

The background is a blend of colors that adds depth to the scene. The painting is executed in oil on canvas, a medium that allows for rich color application. Klee's technique involves layering colors to create texture and depth. The dimensions are approximately 60 x 80 cm, making it a medium-sized work.

The abstract style is characteristic of Klee's exploration of nature and form. Paul Klee was a key figure in the Expressionist movement, known for his unique approach to color and form. Alte Bäume reflects his fascination with nature and abstraction. An interesting fact about this work is that it was created during a period when Klee was experimenting with color theory.

This painting exemplifies his ability to convey emotion through simplified forms.