The exhibition will be the first to explain Stonehenge to visitors, with 250 prehistoric objects - many unseen before - on loan from various collections.
One highlight is the most advanced forensic reconstruction of an early Neolithic man's face, based on a 5,500-year-old skeleton buried in a long barrow 1.5 miles from Stonehenge.
Two rare 14th century manuscripts, including some of the earliest drawings of the monument, Roman coins and jewellery are also on display
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Sir Vince Cable, Caroline Lucas, Tony Robinson and Gina Miller led a demonstration on the second anniversary of the EU referendum.
Turning hot over the next few days. High pollen and UV levels.
The march took place on the second anniversary of the EU referendum.