Across China's Tengger Desert, the country's fourth-largest desert, a major clean energy project is taking shape, with dozens of machines working in tandem to build Gansu's largest single-site photovoltaic facility. Once completed, it is expected to generate enough electricity annually to meet the needs of nearly one million people. Gansu Province's renewable energy capacity has surpassed 80 million kilowatts, capable of generating several times the province's electricity consumption. Gansu is