So, next time you’re out and about, have a look for some of these strengthening techniques, like interlocking bricks in walls, buttresses on buildings such as castles, or triangles on bridges.

Need a temporary wall or room divider ... festive holiday displays for indoors or outdoors with the giant interlocking blocks: The EverBlock site offers kits for building giant Pac-Man ghosts ...

“Our interlocking blocks create a flat interior and exterior wall. This requires a thin plastering layer on the interior, thus saving on cement. The exterior wall is usually so even that one can ...