World News Tonight with Peter Jennings

At the end of the last century, Wanshan Special Zone in Guizhou was facing a desperate situation due to the depletion of mercury resources. Feng Baiyang, a third-generation mercury miner, held a strong sense of responsibility and mission, and achieved transformation and development based on technological innovation and green development, making a resource-depleted city reborn from the ashes and making the dream of innovative development come true.