🟨 U3A China Today - 3rd Term, 2023 Why China is the only oldest civilization 2/3

1. Physical geography
2. Cultural and political history
3. Why does the unification with Taiwan relate to the survival of CPC?

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我的🚦交通燈🚥標誌代表：
⬜ 沒有任何標誌 - 代表正常
🟨 廣告被限制
🟢 解除了廣告限制
❌ 主動沒有廣告