“Casas en Alto,” created by the artist Xul Solar in 1922, belongs to the Expressionism art movement and falls under the cityscape genre. The artwork depicts a scene of elevated houses interconnected by ladders, which creates a sense of communal living over an elevated plane. The structures are colorful blocks, primarily in shades of red, orange, and yellow, conveying a sense of vibrancy and warmth. The surroundings feature tall, palm-like trees, enhancing the surreal and otherworldly nature of the scene. The figures appear simplified and stylized, contributing to the expressive and somewhat whimsical quality of the artwork. The background transitions from deep blues to bright yellows, adding an ethereal quality to the environment. The overall composition portrays a dreamlike urban landscape, emphasizing ingenuity and the imaginative possibilities of urban architecture.