Many years later, Liu Guangxue looked at the gushing River of Forgetfulness, and in the center of the turbulent turbulence, there was a lake as clean and flawless as jade in the deep sea. Through the layers of condensed crystals, with the help of the faint moonlight, he could vaguely see the bottom of the lake thousands of feet below. There seemed to be ink-colored shadows. Every time he looked hard at it, everything turned into nothingness, as if a hole had opened in his heart. If he was not careful, sadness would leak out of the embankment.