A study of light and architecture in Morocco, this painting captures the rhythmic arches of the Tangier Customs House through expressive, impressionistic brushwork.

Henry Ossawa Tanner, an American expatriate who spent much of his career in France, travelled to North Africa during the early twentieth century. This work captures the atmosphere of the port in Tangier, focusing on the architectural form of the Customs House. The composition is defined by a series of rhythmic arches that recede into the background, creating a sense of depth against the pale, sun-bleached walls of the structure.

Tanner employs a palette dominated by cool blues, soft greys, and muted whites, which effectively convey the quality of light in a coastal Moroccan setting. The figures in the foreground are rendered with loose, expressive brushwork, suggesting their presence without relying on excessive detail. This approach allows the viewer to focus on the interplay between the solid, geometric architecture and the transient nature of the human activity occurring within the space.

The painting reflects Tanner's interest in the aesthetic possibilities of light and shadow, a preoccupation that remained consistent throughout his career. By choosing to depict a mundane, functional site like the Customs House, he elevates the everyday experience of travel and commerce into a study of form and atmosphere. The texture of the paint is visible, adding a tactile quality to the surface that enhances the sense of immediacy. This piece offers an insight into the artist's observational style, demonstrating his ability to synthesise the influence of European Impressionism with his own distinct vision of the Mediterranean world. It remains a quiet, contemplative record of a specific place and time, devoid of the theatricality often associated with Orientalist art of the period.