Spend your fourth day exploring the cultural side of Yangzhou. Start with a visit to the Slender West Lake Museum, where you can learn about the history, art, and folklore associated with Slender West Lake. Discover the stories behind the famous scenic spots and gain a deeper understanding of the lake's significance. Next, head to Yangzhou Museum, which houses a vast collection of artifacts showcasing the city's rich cultural heritage. From ancient pottery to traditional paintings, immerse yourself in the fascinating history of Yangzhou.