当 When Humanity Was Once a Superior Civilization 当人类曾是高等文明 by Old Farmer (植耕老人) StatusCompletedLength11k WordsGenreSci-Fi & ApocalypseUpdated1y agoSourceFanqie Request a translation↗ Save Planned Reading Paused Finished Dropped RemoveRemove Synopsis When Humanity Was Once a Higher Civilization Show more Tags DeductionSci-Fi & ApocalypseSystem StatsWhat these numbers mean → 1Chapters39Reads1Listens3.9kReads · all time