Jon gives an answer sincere enough to be accepted: After seeing Craster give his newborn boy to the White Walkers and learning that the commander knew about this, Jon wants to fight for the living.

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Up in the north-east, the one-day (21km) leg-stretch from Bamburgh to Craster along Northumberland's undeveloped coastline links two castles (grand Bamburgh and artfully ruined Dunstanburgh), some of the country's wildest beaches and excellent smoked kippers.

BBC: Walking Great Britain��s great coast