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| 225 | The hot subterranean water builds up pressure through cracks in the earth's crust. The boiing water water reaches temperstures of about 185 degrees (the boiling point at this altitude). The steam vents called fumaroles are the result of the contrast with the cold ambient air, and can reach heights of up to 30 feet |
| Camera: NIKON D3S | ISO: 500 | Exp. Time: 1/640s | Aperture: 13.0 | Focal Length: 38.0mm (~38.0mm) | Latitude: S 22°19'50.31" | Longitude: W 68°0'39.14" | Altitude: 4281 metres | GPS time: 11:42:54 UTC | Country: Chile | See map |
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