Yu Xueshan used to be a real estate developer in Henan Province. In 2017, he traveled north west to Guoluo, Qinghai Province, after an invitation from a friend. The tour completely changed his life. Due to the lack of an investment environment there at the time, he gave up on his business idea. Instead, he built 56 houses for the local herders, which cost 13 million yuan. CGTN Digital brings the story.