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Horizon - Measuring the Roof of the World

Seizoen: 1991 - Aflevering: 13 / 1115 - Eerst uitgezonden: 25 maart 1991 - Episode ID: 439315

Horizon examines the problems and cartography involved in mapping mountains such as Mount Everest. They follow the history of of mapping from those surveys conducted by mountaineering expeditions and early explorers, to modern mapping techniques using planes and satellites. Horizon also considers the startling news that K2 may actually be the world's tallest mountain according to recent satellite calculations.