Literature Reference: 燕鴈下扬州，凉风柳陌愁。—— 《牧陪昭应卢郎中在江西宣州佐今吏部沈公幕罢府周岁公宰昭应牧在淮南縻职叙旧成二十二韵用以投寄》 Swallows and wild geese descend upon Yangzhou, while the cool breeze brings sorrow along the willow-lined paths. Source from 'Mu Pei Zhao Ying Lu Lang Zhong in Jiangxi Xuanzhou Zuo Jin Li Bu Shen Gong Mu Ba Fu Zhou Sui Gong Zhao Ying Mu in Huainan Mi Zhi Xu Jiu Cheng Er Shi Er Yun Yong Yi Tou Ji'.