On October 10, a "photovoltaic string"—stretching two to three hundred meters—appeared above a stretch of farmland in Haikou. Dozens, or even hundreds, of bifacial photovoltaic (PV) panels were linked together and suspended vertically in the air. Power output peaks from sunrise until around 9:00 AM, with another surge occurring between 3:00 PM and sunset; conversely, activity dips duri...