Our Energetic World
Source ↗
👁 2
💬 0
The Co-Creation: How Earth Made Life and Life Made Earth by Olivia Judson; Penguin Press, 560 pp., $35
In southern Colorado, the Great Sand Dunes rise above the San Luis Valley in the shadow of the towering Sangre de Cristo mountains. Two seasonal streams flow out of the mountains, catch sand from the mountain-facing side of the dunes, and carry it around. Eventually it blows back into the dunes, and in this way they repair themselves.
They are the tallest dunes in North America and have been he
In southern Colorado, the Great Sand Dunes rise above the San Luis Valley in the shadow of the towering Sangre de Cristo mountains. Two seasonal streams flow out of the mountains, catch sand from the mountain-facing side of the dunes, and carry it around. Eventually it blows back into the dunes, and in this way they repair themselves.
They are the tallest dunes in North America and have been he
Comments (0)