Onchunchun Underground Walkway

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Onchunchun Underground Walkway (South Korea)

Daylighting Space 305,118ft3 (8,640m3)
Daylighting Length 492ft (150m)
Ave. Illuminance Level 8 foot-candles (80lux)
Product S-1000

“The SUNPORTAL daylighting system has exceeded everyone’s expectations and is creating quite a stir. We are not only saving about 4,300 kWh of electrical energy as well as 2.1 tonnes of CO2 each year, but also receiving very positive feedbacks from the public”

Senior Urban Design Officer, Busan City Hall