It's dark, and everyone receives a text message that they may not see the sun again for an unpredictable period of time in the future.
Calculations are like ancient prophecies revealing the upcoming future. There are always things that should be done in despair...
Liuhuang
On the way to Rizhao - the priority level of robot behavior decision-making
Conch Building - A boy wandering around the world looking for a way home
Shan'Ahan - Even if the end is approaching, some people choose to stay in the homeland where they grew up and make a last effort for hope in the future.
Maritime desert - floating islands of accumulated garbage are just the tip of the iceberg
The light is gone - pay close attention to the key to survival, the sun
Purpose: To deal with the key to survival, the sun, keep a close eye on it