Ever wondered how concrete pavers are made and how sometimes they manage to look so random and yet fit perfectly together ...

The concrete at the top left is brand new. The concrete sidewalk next to it could be 60 or more years old. Note it is not cracked; only the top layer has worn off. (Tim Carter) Perspective by Tim ...

Dreaming of cozy bonfires and starlit holiday parties? You might be tempted to pour a concrete patio in winter, but the ...