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Why Roman concrete still stands strong while modern version decays
Scientists have cracked the secret to Roman water-based structures’ strength – findings could help today’s builders
The “Defiance” is remarkably preserved with intact deck hardware & cabins, masts still standing! (Amazing PHOTOS)
The wrecks in these waters are extremely well preserved due to the cold, fresh water conditions
Joyeuse – King Charlemagne’s legendary sword
Some authors have argued that the medieval blade may have been replaced by a modern replica in 1804