Immortal, I Am Picking up Names in History

History blogger Chen Yuan was involved in an unknown system called "Chinese Era". He won't die. But he soon discovered that this was not a reward, but the cruelest punishment. He will enter the key scenes of Chinese history again and again, becoming a cook on the Long March, an unknown builder in the depths of the Gobi, and a guardian in the desert sands of Dunhuang... He can carry an iron pot with his own hands, remember half a handful of coarse salt, and see people whose names are not written in textbooks. But he can't save everyone. History cannot be rewritten, death is irreversible, and sacrifice will not stop with his arrival. The only thing he could do was to remember the names one by one that were buried by the wind, snow, yellow sand and time. System prompts: [The witness record has been opened. [Name field: missing. [Status: Unfinished.