| The Idea | Background | Indonesia | Bali | Project | Underwater - Hotel | Boat |
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| Submarine | Technical data | Project - Status | Contact | Links | Imprint | Sitemap | |||
| Contact | ||
| c/o Joerg Praetorius | ||
| Brecherspitzstr. 8 | ||
| D- 81541 Munich | ||
| Germany | ||
| Phone: + 49-89-21 66 50 - 11 | ||
| Fax: + 49-89-21 66 50 - 13 | ||