A group of college students in China went on a cross-country bike ride after graduation. While riding through a small town they came upon a small stray dog. They fed the dog and the dog followed them for the rest of the cross-country journey.
All 1,110 miles of it. Up and down four-mountains for 20 days the dog followed. At the end one of the cyclists adopted the dog.
His new name is Xiao Sa. Ii's