Despite scorching heat
An LS-Nikko Copper employee works in front of a smelting furnace in the company's factory in Ulsan, Tuesday, when a heat warning was issued in the city. The furnace's temperature reaches 1,250 degrees Celsius. / Yonhap
An LS-Nikko Copper employee works in front of a smelting furnace in the company's factory in Ulsan, Tuesday, when a heat warning was issued in the city. The furnace's temperature reaches 1,250 degrees Celsius. / Yonhap