Most Heartwarming Moments in Social Experiments 社会实验中最暖心的瞬间！

Girl Dirties Her Trousers During Period: Pregnant Woman Carries A Heavy Suitcase: Girl in Wheelchair Crosses the Road: Girl Is Stuck A Insulting Note on Her Back: Poor Boy Wants to Buy Flowers: Old Man Is Eating with Shaking Hands: Girl in High Heels Is Injured: Poor Birthday Boy Lingers Outside the Cake Shop: Sanitation Worker Wants to Heat Her Food: Old Man Has Only Steamed Bread for Lunch: Kindness is free, but it’s priceless！