The True Story of Karl Bushby’s Walk Around the World

One of the final hurdles Karl hopes to face is crossing from mainland Europe back to the United Kingdom. The ideal? Walking through the Channel Tunnel’s service corridor, step by step under the sea, the same way he’s tackled every other border.

But that decision isn’t his to make. It depends on permissions, safety protocols, and bureaucratic goodwill. If he’s allowed, it would close the loop with perfect symmetry—beginning in one hemisphere, ending in another, all stitched together by footsteps.