Fox News:麦当劳顾客暖心举动引发连锁反应

At an Indiana McDonald's, a customer's act of kindness sparking a chain reaction, which lasted 167 drivers Sunday. Starting with a woman who paid for the large order of a man with four kids in a van behind her.
The cashier says the lady's message was Happy Father's Day, the recipient then paid for two cars behind him and so on, from 8:30 at night till midnight, closing time.
 

The restaurant's manager said there was one time when a customer threaten to break the streak, but the staff pooled $27 to keep it going.
Lilian Woo, FOX News.