Humans are the only mammals to walk on two, rather than four, legs. From an evolutionary perspective, this is an illogical development, as it slows us down. But here we are, suggesting there must have been something tremendous to gain from bipedalism.
Seasoned adventurer Alastair Humphreys pushes himself to his very limits – busking his way across Spain with a violin he can barely play.
Walking Through Spring follows Graham Hoyland’s journey as he traces a new national trail, walking north with Spring from the South Coast to the Borders.