Children roast ears of wheat at Xuhai Road Kindergarten in Xuzhou, Jiangsu province, on May 23. ZHAO JIULONG/XINHUA NANJING — In the city of Xuzhou, located amid the verdant landscapes of East China's Jiangsu province, Xuhai Road Kindergarten produces an unconventional symphony featuring the rhythmic chopping of vegetables, the comforting sizzle of baking buns, and the gentle grind of the …