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A small portion of the great, Roman-built Hadrian's Wall in Britain, begun in AD 122. Two men, one sitting and one standing, linger next to a low portion of the wall. Hills and mountains rise in the background.

A Section of Hadrian's Wall in Britain

A small portion of the great, Roman-built Hadrian's Wall in Britain, begun in AD 122. Two men, one sitting…

Stonehenge is a prehistoric monument located in the English county of Wiltshire, about 3.2 kilometres (2.0 mi) west of Amesbury and 13 kilometres (8.1 mi) north of Salisbury. One of the most famous prehistoric sites in the world, Stonehenge is composed of earthworks surrounding a circular setting of large standing stones.

Ruins at Stonehenge

Stonehenge is a prehistoric monument located in the English county of Wiltshire, about 3.2 kilometres…