During the 2026 Global Mayors Dialogue · Chengdu, guests stepped into the ancient Dujiangyan irrigation system to experience firsthand the brilliance of this thousand-year-old engineering marvel. Here, the age-old philosophy of adapting to nature intersects with modern urban planning, offering fresh insights for sustainable development worldwide. Through this immersive field trip, delegates explored new pathways toward eco-friendly urban growth and the harmonious coexistence between humanity and nature.