Photo essay: British photographers Thom and Beth Atkinson have created a series of images showing sites across London where traces of second world war bomb damage are still visible over 75 years later. More
Movie: in the next instalment of our exclusive video series, gallery director Julia Peyton-Jones explains why Herzog & de Meuron and Ai Weiwei dug into the ground to create their 2012 Serpentine Gallery Pavilion. More
Residential extensions in London have been popular with our readers recently, following this year's Don't Move Improve! awards. Visit our new Pinterest board for a selection of the best, including a sunken glass box, a yellow-framed"shopfront" and a black timber structure featuring a walkway for cats.