1. The power of smiling: This column can share some stories and scientific research about how smiling affects our emotional, psychological and physical health. Readers can also be invited to share their smiling experiences and how smiling has changed their lives.
2. Smiles around the world: This column can show photos or illustrations of people around the world smiling in various situations, such as families, schools and workplaces. Readers can also be invited to share their smiling photos on World Smile Day and why they choose to smile on this day.