開天宮地底下有著200多年前，一刀一斧，鑿石穿山，全以手工敲打天然石頭，開築出來的一條大坪林引水石硿(暗渠)。 當時除
https://cc-times.com/posts/26514
https://www.project-syndicate.org/commentary/cambodian-prime-minister-hun-manet-poses-threat-to-democracy-regional-stability
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