From 1985, Wang Shunyou carried the mail in Muli County, Sichuan. For more than 330 days a year, he walked alone with one horse on a mountain postal route of 584 kilometers there and back, 260,000 kilometers in all. He never delayed a single mail run and never lost a single item.
In 2006, his story was made into the film The Shambhala Messenger. In 2009, he was named one of 100 people who had moved China since 1949. He died in 2021.