What you'll need: Concrete retaining blocks Colored spray paintGravel or lava rocks, or fire bricksShovel Metal ring (optional)Fire-resistant mortar or masonry adhesive (optional) What you'll do: 1. Safety first. Before you take any other steps, you should check that firepits are allowed in your community and obtain any permits that may be required. Then keep these safety precautions in mind as you move forward: • Take 10. Build your fire pit at least 10 feet from anything else: your…