ile, Yan Bing Song arrived. He hadn't seen them in a day, and his hair had all turned white. He looked much older.He was sorrowful, his eyes devoid of light. Supported by an assistant, he leaned heavi...tail of Beijing's roads and streets. It can even identify each car's license plate and every person's movements.It is said that only the top few high-level officials are qualified to open their heaven...