https://joy.videvo.net/videvo_files/video/free/2015-08/large_watermarked/LightBulb_preview.mp4 Light Bulb Turned On and Off A huge light bulb with a glowing wire turned on and off in slow motion. 1080pbrightbulbbulbscreative commonselectricelectricityenergyequipmentglowglowinglightlightbulblightbulbslightsoffonshineshiningtechnology