Create a detailed structural illustration of a expo pavilliomçn of 1900 featuring a complex, curved roof design. The illustration should include: Various Views: Provide multiple perspectives, including front, side, and top views, to showcase the intricate framework and shell-like covering of the roof. Sections and Diagrams: Include cross-sectional views that highlight the internal structure and support systems of the roof. Detailed Annotations: Label key components and materials used in the construction of the roof, emphasizing the engineering and design elements that contribute to its unique shape and stability. Contextual Elements: Place the structure in a realistic setting, such as an urban environment or a natural landscape, to give a sense of scale and integration with its surroundings. The illustration should capture the elegance and complexity of the roof design, making it clear how the various elements come together to form a cohesive and visually striking architectural piece.