An SCMP archive special: the story of dumplings is the story of the globalisation of Chinese cuisine - take the journey from Beijing to Shanghai, Hong Kong and down the ancient Silk Road to discover who invented them - and how a traditional Chinese medicine cure evolved into a meal enjoyed around the world. Interviewees: Lu Hongbin; Du Yichu restaurant, Beijing; Hu Wei-I, Wan Shou Zai restaurant, Shanghai; Wang Hong Chun, Ah Cun Shandong Dumpling, Prince Edward; Dr Dai Zhaoyu, senior lecturer,…