In the early summer of 837, Bai Juyi, a renowned poet of the Tang Dynasty(618–907), wrote a poem reminiscing about the beauty of Jiangnan, the region of the Southern Yangtze River, while residing in Luoyang, north of the river. What left indelible memories on him was the charm of Hangzhou – with its Qiantang tidal bore, Lingyin Temple, and mid-Autumn osmanthus petals.