How cool is Ash Dykes? He's only 29, and WalesOnline named him the 7th coolest person in his home country. That’s because he’s the first person known to have walked across Mongolia and Madagascar, as well as the full length of the Yangtze river. He and Spanny go behind the scenes of his extreme adventures and discuss his careful preparation and rigorous training … his near-death experiences … his important contributions to eradicating malaria … and more.