WARSAW, Feb. 21 (Xinhua) - Recording, editing and uploading short videos to the short video sharing application TikTok, also known as Douyin in China, has become a daily routine of Polish girl Alicja Pogwizd.Photo taken on Feb. 13, 2019 shows the Tiktok app icon (upper right corner) on a smartphone screen. (Photos: Xinhua)When the 19-year-old downloaded the application, she did