1) The document discusses the four classical elements of earth, air, fire, and water through examples of artworks that depict or interact with each element. 2) It provides descriptions and images of works by artists such as Ansel Adams, Andres Gursky, Jeff Wall, Adrian Sommerling, Cai Guo-Qiang, and Christo that represent the elements of earth, air, and fire. 3) It also discusses artworks related to water including the paintings of JMW Turner, Peter Lanyon, Laura Knight, and Philip Wilson Steer as well as works by Peter Doig, Matthew Davis, Hokusai, and Els Van Baarle that depict water or were