Beautiful backhoe loaders

Are backhoes not beautiful and useful machines?

Is an image of an automobile, airplane, or train on most academic posters any more serious than one of a backhoe?

photo of a backhoe at night.
Figure 1: A backhoe in the big apple (L. Mandel)
photo of a digger in the Cour Pasteur at the ENS.
Figure 2: A digger (‘fronthoe’) in the Cour Pasteur at the ENS (L. Mandel)
photo of a backhoe in New York City.
Figure 3: A backhoe in New York City (G. Baudart)

« La pelleteuse rassemble tous les mouvements caractéristiques d'un danseur. »