Building a bunker could be a great choice as there are at least dozen SHTF scenarios where your life can be saved by having an underground bunker to hide and spend some time in. So, the idea of making a bunker is great for every survivalist enthusiast and a definite ... #bunkerplans
How to Build an Earthbag/Papercrete Home — For those interested in green living or homesteading, the prospect of building a self-sufficient home doesn’t have to be a pipe dream. Kelly and Rosana Hart have used earthbags, papercrete, and a few other materials to create such a home that is not only beautiful, it is self-sufficient.
8.10.14 - Why Are We Not Building the Voith Wells Generator Wave Energy Converter Everywhere? - "This wave energy device concept from Voith is as ingenious as it is simple. It is a shore based concrete bunker like installation that allows water to enter a chamber from a submerged opening as the waves move up and down. The water in the chamber rises and falls with the waves pushing a column of air trapped above the water level through a wells turbine generator that makes clean electricity."