doctor billy mcclung says he's seen 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 the we can be mining at the mouth of the pregnancy. these exposure he sent to the mining to the dust of the mining to them met in the mining can pick 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. as a lack of data. scientists have found that children whose father's work in the mines a much more likely to have birth defects. most of the cobalt is 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 in 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. scientists say mine is exposed to radiation f