doctor william kang says he seemed far too many left lips and other malformations in newborn babies over the 5 years he worked here. and says they can be connected to mine pollution when they wake him, the mining at the mouth of the pregnancy. these explore, he sent to the mining to the dust of the mining din, met in the mining game as the baby and the baby can born with this month formation . the bill is given corrective surgeries to thousands of children funded by charities. he's also worked on research projects, but he says much more needs to be done. there's a lack of data. scientists have found that children whose father's work in the minds a much more likely to have birth defects. most of the cave off his mind, industrially by foreign companies, most of the world's supply comes from here, is used in batteries in mobile phones and electric vehicles. demand for it is soaring and china, europe, in the us. communities here live right next to the mountains of mine, tailings. most mine is working in formal, illegal mine, sticking out cobalt by hand. science is say mine is exposed to radi