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Self-tripped trespass land mine, Huolongjing
Резюме
The 'self-tripped trespass land mine' from the Chinese military compendium of the Fire Drake Manual (Huolongjing), written by Jiao Yu and Liu Ji in the mid 14th century.
Дата
1300 - 1399
Источник
Wikimedia Commons
Информация о правах
public domain
