It is the largest free-standing sculpture ever carved from a single block; an icon recognised around the globe. The Sphinx, a lion with the face of a mighty pharaoh, towers 20m high and stretches 70m long. It is a silent witness to thousands of years of history. For over 4500 years it has stood guard in front of the Giza Pyramids, yet it remains one of history's most enigmatic mysteries.
Two thousand years ago, the Roman Empire was the strongest and most powerful assembly of people on Earth. In the year 73 BC, they boasted the greatest army in the ancient world, but their army was to be taken down many times over by Spartacus - an unlikely hero who achieved an extraordinary feat that would be remembered in history for decades to come.
Magnificent, awe-inspiring and mysterious, the Great Pyramid of Giza in Egypt has fascinated humankind for thousands of years. Naked Science looks at how and why it was built and examines the myths and legends surrounding one of the world's oldest man-made structures.
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