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Gorges and dry valleys - Upland limestone: Video playlist - BBC Bitesize
The melting of surface water which led to the creation of dry valleys, cliffs and gorges.
↗ https://www.bbc.co.uk/bitesize/topics/zjtb4wx/watch/z8dygk7The melting of surface water which led to the creation of dry valleys, cliffs and gorges.
↗ https://www.bbc.co.uk/bitesize/topics/zjtb4wx/watch/z8dygk7