I only know a story about Meng Jiangnu. Her husband was taken away to build the wall. Meng Jiangnu missed her husband so much that she decided to find him. But when she reached the wall, she only found the dead body of her husband. She was very sad and jumped into the sea.

Of course the story is not true. People made this story to criticize the cruel labor of wall building. And there are more stories, you can read them in this page: https://www.travelchinaguide.com/china_great_wall/culture/