Beijing, May 7 (Youth.cn) - On May 7, 2026, kindergartens across China held activities to celebrate the upcoming World Smile Day on May 8, with children beaming with joyful smiles. Photo/CFP
Beijing, May 7 (Youth.cn) - On May 7, 2026, kindergartens across China held activities to celebrate the upcoming World Smile Day on May 8, with children beaming with joyful smiles. Photo/CFP
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