by Xinhua writers Cheng Lu, Bai Xu and Qiu Bingqing
NANJING, Dec. 13 (Xinhua) -- For 20 years, Chinese-American man Lu Zhaoning has made an annual pilgrimage almost every December, traveling from his home in the United States to his birthplace of Nanjing, a city scarred by the horrors of World War II.
In his suitcase lie fragile relics -- newspapers, photos and letters -- fragments of global memory that t