A 1,500m eco tower plonked squarely into the middle of London. Why ever not?
In the final part of the series, we look at a Martian colony, the ‘Fun Palace’ more.
A bridge inspired by Princess Diana, and other curious crossings.
Paying tribute to the skyscrapers and towers that could have graced the London skyline.
Remembering the railways, roads and airports that never made it.