Reporters. In this edition: a sign reads: 'Welcome to Baghdad'. But residents in the Iraqi capital fear their city, and the country, are doomed. What will Greeks say, fifty years from now, about what happened in their country during the turbulence of summer 2015? As the talks in Vienna over Iran's nuclear programme inch, perhaps, towards a deal, our correspondent sees evidence of Iran's continuing suspicion of the United States on the streets of the capital, Tehran. We're overwhelmed by music as we trace the route of the first missionaries along the River Congo in Africa and find out how a million dollars, raised in the United States, is helping to train dogs to save lives.