Qi Jiguang noticed that the Japanese pirates could always trace where his troops camped because of the smoke that rose up to the sky when the soldiers prepared their meals.
Qi Jiguang melihat bahwa para perompak Jepang selalu bisa melacak di mana pasukannya berkemah karena asap yang naik ke langit ketika prajurit menyiapkan makanan mereka.