The top disc - which is built high enough to withstand a tsunami and any flooding, while the underwater disc automatically surfaces at once in the event of any danger.
Sadly for the developers, the World Discus Hotel cannot claim to offer the first underwater hotel rooms. That title goes to the Rangali Islands Resort in the Maldives, which boasts a glass domed aquarium under the Indian Ocean for a one-in-a-lifetime overnight stay.
The Maldives has also unveiled a plan to create a floating golf course on islands, with players able to access each island via underground tunnels.