Water pressure hides its secrets.
For proof, examine waterfalls when their water sources are at peak flows. There's not much to see except the massive, white masses of frothing water.
But when the flow slackens, it's time to determine what creates the shape of the falls.
At Bad Branch Falls in northeast Georgia, water typically cascades about 20 feet. When the flow diminishes, massive rock walls are exposed, revealing the infrastructure behind one of Georgia's most scenic, albeit small cascades.
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