The Misty Rain Falls in the South of the Yangtze River, and the Wind and Sand Rise in the Northwest

Once upon a time, when the mist and rain fell in Shengjing, one person held an umbrella and two people walked together; Now the mist and rain have cleared, and no one is holding an umbrella or walking alone. Jiangnan is great, are you familiar with the scenery? I have a beloved in Jiangnan, how can I not remember Jiangnan?