Zhou Lingfei, the eldest grandson of Lu and the secretary-general of Lu Xun Culture Foundation, makes speeches at the Lu Xun and Mark Twain photo exhibition in Los Angeles, the United States, on June 16. [Photo/zjol.com.cn]

Henry Sweets, executive director of Mark Twain Home Foundation, makes speeches at the Lu Xun and Mark Twain photo exhibition in Los Angeles, the United States, on June 16. [Photo/zjol.com.cn]