Curated OER
The Riddle of Ancient Roman Concrete
Explores the mystery of how the Roman's created a concrete that has withstood the attack of the elements for over 2,000 years. Interesting and thought provoking.
Curated OER
The Museum of Un Natural Mystery: The Riddle of the Sphinx
A basic overview of the Sphinx, theories around its ancient history and efforts to learn more about it.
Curated OER
The Museum of Un Natural Mystery: The Riddle of the Sphinx
A basic overview of the Sphinx, theories around its ancient history and efforts to learn more about it.
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