This is a work from the classic Western comic series "Blueberry," created by French comic master Moebius and screenwriter Jean-Michel Charlier. The prominent French title at the top, "ADIEU, RÊVE AMÉRICAIN," translates to "Farewell, American Dream." The main subject is a majestic and desolate red sandstone mountain range, rendered in rich orange-reds under twilight or dawn light, contrasting with blue-purple shadows. In the foreground, the silhouette of a lone cowboy on horseback gazes silently at the distant canyon, creating an atmosphere of vastness, solitude, and narrative tension. This artwork not only showcases the iconic, magnificent landscapes of the American West but also conveys a sense of nostalgic epic and the passing of the frontier era through its theme.