Ancient monuments recreated in stunning 3D: the Great Pyramid in Cairo, the Acropolis in Athens and Hagia Sophia in Instanbul

The Great Pyramid, Cairo
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About the Great Pyramid
Built over four-and-a-half thousand years ago, the pyramid is the tomb of the Pharaoh Khufu.
You can pass through the solid stone blocks that make up the Pyramid’s core to explore its hidden passages and chambers.
The Great Pyramid’s architects and builders worked with great precision: the access corridors and chambers align almost perfectly on a north-south axis.
The Acropolis, Athens
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About the Acropolis
The Acropolis is a sacred hill in the heart of Athens with the Parthenon at its peak.
Beside it is a smaller temple known as the Erechtheion, named after Erechtheus, a mythical king of Athens. The ancients believed that the Gods Athena and Poseidon once walked here.
It was specially designed to preserve the sacred mythology of Athens.
The Erechtheion is an enduring monument to the ancient history of this extraordinary city.
Hagia Sophia, Istanbul
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About the Hagia Sophia
Built by the Romans 1,500 years ago, the Hagia Sophia was the biggest church in the world.
No expense was spared: it contained coloured marble from around the Roman Empire and nearly 10,000 square meters of gold mosaic.
In 1453, the Hagia Sophia was turned into a mosque after Ottoman Turks conquered the city.
Now a museum, it has survived earthquakes, sieges and the rise and fall of empires. Yet Hagia Sophia still stands, the ancient jewel in the crown of Istanbul.
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Ancient Invisible Cities on BBC iPlayer
Historian Michael Scott explores deep underground using the latest laser-scanning technology and virtual reality to reveal the historical secrets of great cities.