Under the dark night, when you open your eyes, what you see is not the night sky, but the gorgeous neon. Walking on the street, you look up, and what you see is not the blue sky, but the shadow of steel... The world has come to the critical point of collapse , One step further is destruction, and one step back is war. To protect the lights of thousands of families, to save millions of people, go to the critical point and never give in!... From Haicheng to No. 1 City, the straight-line distance is 420 kilometers. Many people desire to walk through these 420 kilometers, to live and reproduce at the end point that symbolizes power and desire. What about you? I am different, I long for the outside world, and desire more 420 kilometers.