Watch this 4 minute video. Here is some CCP propaganda patting a worker on the back for doing a dangerous job. 660 kV lines in a bundle of six(!) Handling 1/10 of the power of the whole province of Shandong, which has 100 million population. The insulators are huge! Look at those arcs jumping to his gloves! They’re using drones to inspect the wires. Apparently the UHV doesn’t zap the drones.