C3653 Seventy Years of Secrecy

"The suspected northern troop has been exposed. British ambushed the escort team. The goods that he impersonated have all been lost …"

"Increase the security of the suspected troops in the middle and ask Zuo Zongtang for reinforcements. Ask him to send troops to protect us along the way …"

Orders were sent out one by one in secret codes along the lines of the Daqing's telegraph Bureau