On Thin Ice by Charlie Walker review – a Siberian adventure goes off the rails The icy vastness of northern Siberia is a harsh mistress. Unforgiving and beautiful, it tests even the most seasoned adventurers' resolve.
Charlie Walker's latest travelogue, On Thin Ice, chronicles his ill fated attempt to trek across the frozen tundra in sub zero temperatures.
Walker's journey coincided with Russia's invasion of Ukraine, raising questions about the nature of risk taking and the fine line between bravery and recklessness.