• Article 23: The property rights to a copyrighted work shall be protected from the moment of its publication to the 50th year after the death of its author. The property rights to a joint copyrighted work shall be protected from the moment of its publication to the 50th year after the death of the last survivor of the co-authors.
• Article 24: The property rights to a copyrighted work or a copyrighted visual art work whose author is an institution, enterprise or organization shall be protected for up to 50 years from the moment of its publication.

This work, created within the jurisdiction of North Korean Copyright Law (with legal jurisdiction north of the 38th parallel only), has surpassed the durations of either of the above criteria, and thus has expired from its copyright.

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你必须增加美国公有领域标签显示为何这个作品在美国属于公有领域。 请注意这个作品在不适用较短期限法则的国家可能并不属于公有领域，并有超过作者逝世后50年的著作权期限。其中，墨西哥为100年，牙买加为95年，哥伦比亚为80年，危地马拉与萨摩亚为75年，瑞士和美国为70年，委内瑞拉为60年。