floodlighting
Refers to the act or system of illuminating a large area with powerful lights, often for outdoor events, sports, or security.
スタジアムの投光照明が試合開始前に点灯された。
The stadium's floodlighting was turned on before the match started.
夜間工事のために投光照明が設置された。
Floodlighting was set up for the nighttime construction work.