tʃaɪnˈælkoʊ ɪz ɪnvˈɛstɪŋ dˈɑːlɚ θɹˈiː bˈɪliən tə bɪɡˈɪn ˈoʊpəŋkˈæst mˈaɪnɪŋ ˌɑːpɚɹˈeɪʃənz, wɪðˌɪn θɹˈiː tə fˈoːɹ jˈɪɹz, ɪn mˈɔːɹəkˌɑːtʃə dˈɪstɹɪkt, pɚɹˈuː.
Chinalco is investing $3 billion to begin open-cast mining operations, within three to four years, in Morococha District, Peru.