
Minerals, algae, and cyanobacteria give this geyser in Nevada's Black Rock Desert its brilliant colors.
| viMory: cyanobacteria 青藻 |

Lacking virtually any wildlife that could be harmed with its patrons, the off-highway-vehicle recreation area in Dumont Dunes, California, offers big thrills for dune riders of all types.
| viMory: dune 沙丘 |

A rippled white dune glows under a blue sky in central Australia's Simpson Desert. Rainfall in this desolate land is less than 7.8 inches (200 millimeters) per year.
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