Concrete steps
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How To Make Roman Concrete
Have you ever heard of Roman concrete? Concrete has been around for thousands of years, and it’s been used to build some of the most durable and iconic structures known to man. But did you know that the concrete used by the Romans in the ancient days was far more tough and durable than the concrete we use today? After all, there’s a reason old Roman structures are still standing 2000 years later. Roman concrete is a mixture of volcanic ash and rock with limestone. Here's how to make it.