Happy World Smile Day (May 8)! Nothing beats the heartwarming power of little ones' belly laughs—nature's ultimate mood booster! Today, ditch the stress and embrace the contagious joy of laughter. 

Filming: Xinhua

Editor: Su Yun, Luo Rongting

Translator: Peng Qing, Zhi Xinghua

Review: Drakpa Wangchen, Pan Lu