"Generate a detailed 3D model description for the front facades of a row of modern contemporary houses in Muscat, Oman. Envision a design that harmoniously connects multiple units, employing sleek lines, large windows, and a mix of materials such as glass, concrete, and steel. Emphasize the unity and individuality of each house within the row. Pay attention to the arrangement of entrances, communal spaces, and shared outdoor areas. Consider sustainable features, efficient use of space, and unique architectural elements that enhance the overall aesthetic appeal of the row houses. The design should encapsulate modern living while seamlessly integrating with the cultural and environmental context of Muscat."