'Old friends meeting, tears flooding their eyes' is a popular Chinese saying that describes the emotional reunion of long-lost friends or acquaintances from the same hometown. This expression reflects the deep emotional connection and nostalgia that people have for their roots and hometowns.

The phrase is often used to describe the joy and excitement that people feel when they meet someone from their hometown after a long time. It is a common occurrence in China, where people from rural areas often migrate to big cities for better opportunities. When they return to their hometown, they are often greeted with open arms and heartfelt emotions from their old friends and neighbors.

The phrase 'old friends meeting, tears flooding their eyes' is a testament to the strong bonds that people form with their hometowns and the people they grew up with. It is a reminder that no matter where life takes us, our roots and connections to our past will always be a part of who we are.