I have over 100' of cave/tunnel that is inside my building. To give a better effect I thought about throwing down some gravel that has fine dirt and smalls mixed with it so it will pack hard. Anything so you don't have just bare concrete. I also thought about throwing a smidgen of sand on top to improve the color over that of the gravel.
Besides cleaning up at the end of the season any downsides?
Besides cleaning up at the end of the season any downsides?
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