You can build a flagstone patio from the help of this article from Popular Mechanics.
There are many good pictures and great tips on laying stone down in sand. These are some of the topics covered in the article:
Layout and Preparation,
Putting down the right base,
Laying and cutting the stone
Determining the pitch
and Filling the joints.
There are also many other free videos and tutorials to help you out with your patio.
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