Thames is not even the longest river in the British Isles and a mere pygmy in comparison with many other rivers in the world, yet its significance to British and world history is immense. The river starts as a small trickle in hills to the north west of London and travels for nearly 450 km through the south of England, the centre of London and thence out into the North Sea via the Thames Estuary, meandering its way through some of England’s most picturesque towns and village

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