Strolling through the ancient towns of Jiangnan, or regions south of the lower reaches of the Yangtze River, visitors can not only experience the charm of pavilions, small bridges, flowing water and fragrant ancient trees, but also understand the historical context and appreciate traditional Chinese culture through the preserved cultural relics and ancient buildings. Let's follow Caroline Wu on a walk through some historical and cultural sites and witness the discoveries made by experts in the restoration and protection of these ancient towns.