Aerial photo taken on Aug. 11, 2021 shows the photovoltaic parking lot of Pairi Daiza zoo in Brugelette, Belgium. The large photovoltaic parking lot with over 60,000 overhead solar panels can not only provide some 7,000 parking spots but also offer a total power of 20 megawatt peak (MWp) that is more than the zoo needs. (Photo: Xinhua)

Aerial photo taken on Aug. 11, 2021 shows the photovoltaic parking lot of Pairi Daiza zoo in Brugelette, Belgium. The large photovoltaic parking lot with over 60,000 overhead solar panels can not only provide some 7,000 parking spots but also offer a total power of 20 megawatt peak (MWp) that is more than the zoo needs. (Photo: Xinhua)

Photo taken on Aug. 11, 2021 shows the photovoltaic parking lot of Pairi Daiza zoo in Brugelette, Belgium. The large photovoltaic parking lot with over 60,000 overhead solar panels can not only provide some 7,000 parking spots but also offer a total power of 20 megawatt peak (MWp) that is more than the zoo needs. (Photo: Xinhua)

Aerial photo taken on Aug. 11, 2021 shows the photovoltaic parking lot of Pairi Daiza zoo in Brugelette, Belgium. The large photovoltaic parking lot with over 60,000 overhead solar panels can not only provide some 7,000 parking spots but also offer a total power of 20 megawatt peak (MWp) that is more than the zoo needs. (Photo: Xinhua)