Upon his retirement In 2004, he found he had free time.
"When I walked around in the parks in the city, I often found sanitation workers do cleaning work in the early morning," he said. "They were really hard workers, and I wanted to do something for them."
Infographic:
A look at China's economy in Jan-Feb, 2026
Infographic:
China to expand two-way investment cooperation
Infographic:
China to open wider to outside world