Detailed text transcripts for TV channel - CNN - 20171223:19:41:00
Early morning in cameroon's capital city. doctors and nurses from around the world are spending the week here. once they're done, a new group of doctors will arrive. it continues for four weeks. at the moment this group is headed to the airport. they are boarding a plane, but they won't be going anywhere. instead they will perform operations sitting on the tarmac in what's called the orbis flying hospital. dr. tom johnson first started volunteering with orbis in the 1990s. he's done nearly a dozen of these trips since then and says the excitement never wears off. ozan ocular plastic surgeon he...