They put smart skylights through their stores so they could harvest the daylight and reduce the lighting demands. And, third, they put the refrigerated goods behind closed doors with LED lighting.
Pusieron tragaluces inteligentes a lo largo de sus tiendas para poder captar la luz del día y disminuir la demanda de iluminación, y tercero, pusieron los productos refrigerados trás puertas cerradas con iluminación LED.