Unlock the giant lock of life and search for the lost civilization. In that unknown prehistoric era, there was a huge dragon lying on the vast land, guarding an eternal mystery of life and death. The river is surging, the yellow sand is rolling, and the glory of the past is gone. Cheng Yunyan, the ambitious light is long gone, the changes in the vicissitudes of life seem to be just a moment, but this moment has taken thousands of years, and I don’t know how many reincarnations have passed in the past, but in the dusty ancient ruins Have the struggling souls found the exit to the door of eternal life in the cycle of life?