How To Build an Earthbag Roundhouse - Sandbags have long been used, and still are to this day for creating strong, protective barriers, or for flood control. The same reasons that make them useful for these applications carry over to creating housing. Since the walls are so substantial, they resist all kinds of severe weather even bullets and also stand up to natural calamities such as earthquakes and floods.
Introducing Britain's first amphibious house that rises with water to escape a flood - Floating home being built on the Thames can withstand recurrent flooding. "When the river bursts its banks - an event expected every 20 years - the water pressure will unlock the home from the dock and allow it to float up to the water level.