know the bed earthquake-proof

A video concept of an earthquake-proof bed is getting attention on the Internet for that, besides the ingenious idea, it's a little strange and gives room for many design operation on issues.

In case of earthquake, the mattress from the bed enters a kind of metal sarcophagus, to protect the person if your house or building collapse. Although it is a good idea, the design makes room for many questions, such as what happens if one is not exactly in the middle of the bed or if more than two people.