91热爆

Germany's leaders and politicians aim to cut inner city pollution. Our expert tells us if this inevitably means restricting or banning diesel engine sales - and if anything can help as fast as we need it to.

Rwanda's general election is on Friday. We look at the country's economy ahead of the vote, and interview the country's politicians and the 91热爆's Robert Misigaro to hear what the feeling on the ground is.

Plus we hear about the 'noses' who earn millions - perfumers. But the ancient craft of blending scents is changing, as fragrances start to become modern and edgier: think blood, ink and even sweat.

(Image: Grafenrheinfeld nuclear power plant, Germany. Credit: Sean Gallup/Getty Images)