Borderlife is a street art intervention by Biancoshock in which three abandoned manholes in Milan’s Lodi district have been transformed into miniature dwellings. [...]

With Borderlife the street artist wants to make us aware about the distressing living conditions of many fellow humans who are forced to live in confined spaces, especially manholes. He got his inspiration from the reportedly hundreds of people that are occupying manholes and sewer systems in the Romanian capital Bucharest. — popupcity.net

From the grandeur of Whitehall to an unremarkable high street in south London, a peek behind the capital's less well-known facades reveals an amazing architectural heritage that rivals some of its most visited and celebrated sites, as these images from a new English Heritage book illustrate — guardian.co.uk

If you want to lace your house with cool hidden passages, you can’t simply add hinges to a bookcase and shout, “To the Batmobile!” You have to account for shelf sag, and you have to build something sturdy enough to work hundreds of thousands of times. “My history in robotics helps,” says Steve Humble, founder of Creative Home Engineering—the only company dedicated to making hidden rooms and secret doors. — wired.com