| 摘要 |
The invention relates to pyramid that is used for relaxing or meditating and the like, optionally for partially filling with a concentrated salt water solution. The pyramid is essentially straight and regular and consists of a base component, an intermediate component and a top. In one embodiment, the pyramid is a welded double-walled pyramid (a-b) comprising an introduced entrance component (1) and optionally a door that can be pushed out or marked and fastened.
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