Inventory of the Opening, the Fish Sinks and the Wild Goose Closes, the Moon Shames the Flowers

[Video + No Protagonist] From the perspective of ancient people When Qin Shihuang knew about the death of the second generation of the Qin Dynasty, when Liu Che knew about the witchcraft rebellion, when Li Shimin knew about the empress usurping the Tang Dynasty... What will happen in history? History is an established fact. Broadcast the historical process to all realms and dynasties in the form of live broadcast + video, so what changes will they have?