The Taiwan Fact-Check Center really shared exactly how they found it. You can read all about it. Also, the fake poster they had, purporting to be from Hong Kong, but with wrong spelling and using Hanyu Pinyin which they will never actually use.
The Taiwan Fact-Check Center really shared exactly how they found it. You can read all about it. Also, the fake poster they had, purporting to be from Hong Kong, but with wrong spelling and using Hanyu Pinyin which they will never actually use.