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They introduce soap into the geyser pipe to break the water surface tension below and start the geyser. It was discovered a hundred years ago when convicts tried to wash their clothes in the hot water. When the soap started the geyser they lost their clothes.
| Full EXIF Info | |
| Date/Time | 01-Oct-2006 10:18:48 |
| Make | Canon |
| Model | Canon EOS 5D |
| Flash Used | No |
| Focal Length | 100 mm |
| Exposure Time | 1/400 sec |
| Aperture | f/8 |
| ISO Equivalent | 200 |
| Exposure Bias | -1.00 |
| White Balance | |
| Metering Mode | matrix (5) |
| JPEG Quality | |
| Exposure Program | aperture priority (3) |
| Focus Distance | |
©2007 mikeojohnson photography
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