Which ancient civilization is credited with the invention of the arch, crucial for constructing aqueducts?
Category: Knowledge · Difficulty: hard
Hint: They built extensive road systems and monumental structures.
Answer
Romans
Explanation
The Romans are well-known for their architectural innovations, including the use of the arch in aqueducts and other structures.
This is a hard knowledge riddle — a tricky one that takes a little thought. The answer is Romans.
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