
Just before the Covid-19 pandemic took hold, South African mining veteran George Bennett was offered the opportunity to bid for two waste piles of gypsum, left over from decades of phosphate mining in a small town near the Mozambique border.
ดูรายละเอียดที่ : https://www.wsj.com/articles/the-rare-earths-mine-that-wont-need-a-single-shovel-b962c661