evidence: A video has been viewed hundreds of thousands of times in social media posts that falsely claim it shows "worm rain" in China. The video -- which was filmed in China's northeast Liaoning province -- in fact shows catkins from poplar trees that are "distinctively rich" in that part of the country. "Magical phenomenon of worm rain, China sees worm rain," reads the caption in traditional Chinese characters to a YouTube clip published on March 11, 2023.