從
21.333764,98.981838
萬一走失時，先找後補？
https://youtu.be/DbEWHUNDkDI?si=J2XkLvBAXXiwAh5A https://youtu.be/42VxJ7P_Y50?si=BLm9qumsAiNOF9sc https://youtu.
https://tw.news.yahoo.com/%E5%BF%AB%E8%A8%8A-%E8%8A%B1%E8%93%AE%E5%8F%B09%E7%B7%9A-%E5%B4%99%E5%A4%A9%E5%A4%A7%E6%A9%8B%E4%B