Greenpeace Korea office Senior Climate and Energy campaigner, Jang Daul (centre) stands with Greenpeace activists carrying crosses marked with 'Chernobyl 1986', 'Fukushima 2011', 'Yeonggwang -?' in Korean, as they stage a peaceful protest in front of the Hanbit nuclear power plant in South Korea. Greenpeace launches the 'Stop Risky Nukes!' campaign and demands the South Korean government cease operations of the Hanbit Unit-3 and Unit-4 because of its use of defective material called Inconel 600 and the risks it pose to the surrounding population.