If you were lucky enough to see the exhibition “Genesis” by Sebastião Salgado earlier this year at the Natural History Museum in London, you will know it was a powerful reminder of the power of black-and-white photography.  Pictures from that project, plus others from his 40-year career, can be seen in a new show opening at the Beetles and Huxley gallery in London on Wednesday. For details, see my piece for Telegraph Travel.