Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more
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Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more
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.
