C261 Non-natural Disaster
Terrain section
Grandson day: the topography has all the people, have the hanging, have the branch, have the defile, have the danger, have the distant. I can go, I can come, I can pass the day. It was difficult to return, but it was impossible to return. It was unfavorable for the enemy to come out and win, even if the enemy was prepared. I come out unfavorable, the other side unfavorable