Photo taken on Oct. 25, 2016 shows the Austria's Voestalpine AG Hot Briquetted Iron (HBI) plant in Corpus Christi, southern U.S. state of Texas. After about two and a half years of construction, the Voestalpine HBI plant that opened Wednesday in the Mexican Gulf city Corpus Christi, southern Texas, is the world's largest and most state-of-the-art plant of its kind.(Xinhua/Zhang Yongxing)
