Create an elegant and festive Spring 2026 Guangzhou city-promotion poster in a vertical 9:16 format. Use a double-exposure visual treatment with an S-shaped flowing composition on a pure white textured paper background. In the lower right corner, place a tiny figure in traditional clothing waving a long red silk ribbon; the ribbon transforms into mountains and rivers, then carries a layered panorama of Guangzhou. Include the Canton Tower, Zhujiang New Town skyline, the Pearl River, a cruise boat, historic architecture, and Baiyun Mountain within the flowing ribbon landscape. Keep the mood joyful for Lunar New Year yet refined and high-end, with watercolor-like detail, fresh spring colors, red festive accents, and generous negative space. Add left-lower typography reading “SPRING 2026” and vertical Chinese title text “千年商都 魅力广州”. Vertical 9:16 composition.