Chapter 62 You Let Go of This Palace

as they passed Xiaoguanzi, he suddenly asked, "Grandfather, have you ever studied""Not before."Xiao Wa shook her head and said respectfully, “It’s just that Your Highness felt that I was foolish, so...mmunication system that used the rhythm and volume of whistle signals to transmit simple military orders quickly and efficiently throughout the ranks.And the surrounding Liao army, upon hearing the wh...