Geography series with Dr Iain Stewart. Iain travels to surfers' paradise Hawaii to learn more about oceans, explaining the difference between waves, tides and currents.
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Geography series with Dr Iain Stewart. Iain travels to surfers' paradise Hawaii to learn more about oceans, explaining the difference between waves, tides and currents.
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
