國家探索科普影片，
地理歷史人文之旅。
探索星球
地理、歷史、人文、未解之謎等相關科普知識。
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謝謝大家關注我的頻道，
讓我們一起探索這個美麗的星球！
【Global geographic exploration】
National Science Channel of exploration,
A tour of geography, history and humanity.
Explore the planet
Knowledge of science popularization, such as geography, history, humanities, mystery unsolved, etc.
Thank you for subscribing to my channel,
Let's explore this beautiful planet together!
