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LEDs lighting up Banpo Bridge in Seoul, South Korea.https://www.led-professional.com/media/technology_light-generation_low2013cost-leds-to-slash-household-electric-bills_martin_banpo2-jpg/viewhttps://www.led-professional.com/media/technology_light-generation_low2013cost-leds-to-slash-household-electric-bills_martin_banpo2-jpg/@@images/image-1200-421696e858fda0c4d328f3ccbd265b07.jpeg
LEDs lighting up Banpo Bridge in Seoul, South Korea.
