Someone mistook footage of the German Army's Panzer III assault gun (somewhat similar to the Japanese Army's Type 97 medium tank) for equipment imagery of the invading Japanese forces in China and donated it to the archives.
"Raising filial piety and integrity" has now become an entire industry chain. On Taobao, there are even specialists who crop images from the internet, books, and museums, then re-photograph them and artificially age them. They sell them at high prices to middle school students, who in turn use them for "raising filial piety and integrity" donations to generate hype.
The other 3 photos are ones Chinese netizens trying to make fun of the situation.
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