A new visual guide shows how concrete got its start and why it will be around after the rest of us are gone. Adam Davidson and Nathan Bashaw walk the reader through concrete's orgin: from it's start as cement that began millions of years ago to humans finally heating this substance and combining it with water and gravel to create concrete.

They show readers how man found a way to create the first cement structures 12,000 years ago, many years before it was originally thought that man could create this substance. This guide will answer many questions on the origin of cement and how man came to use this resource which expected to outlast us all.

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