In Mobiles sous le viaduc d’Auteuil, the viewer is presented with a bustling scene under the Auteuil viaduct. The painting features a variety of colors, with earthy tones dominating the landscape. Figures can be seen interacting with mobile structures, creating a sense of movement and life.

The setting is urban, capturing the essence of 19th-century Parisian architecture. The painting is executed in oil on canvas, a medium that allows for rich color and texture. The brushwork is detailed, highlighting the architectural elements of the viaduct and the mobile structures below. The composition is balanced, with figures strategically placed to guide the viewer's eye through the scene.

This attention to detail is characteristic of the Realism style. Isidore Pils was a prominent French painter known for his focus on historical and genre scenes. Mobiles sous le viaduc d’Auteuil reflects his interest in urban life and architecture. An interesting fact about this work is that it captures a moment in time, showcasing the intersection of nature and industrial progress in 19th-century France.

Pils' ability to blend these elements speaks to the broader themes of the Realist movement.