What significant artwork is featured at Chase Bank's plaza?

The significant artwork featured at Chase Bank's plaza is Marc Chagall's mosaic titled 'The Four Seasons.' This vibrant mosaic is notable for its colorful depiction of the four seasons, reflecting Chagall's unique style that blends whimsy and cultural references. Installed in 1974, this work is a prominent feature of the plaza, attracting both art enthusiasts and the general public alike. Chagall's integration of various elements in the mosaic highlights his ability to convey emotion and storytelling through visual art, making it a celebrated piece not just in Chicago but in the realm of public art overall.

In contrast, while the other options mention important artists and their artworks, they do not pertain to the Chase Bank plaza. Diego Rivera is renowned for his murals, particularly in other locations, and Henry Moore's sculptures are significant but not found in this specific setting. Frank Lloyd Wright's designs primarily relate to architecture rather than fountains in this context.