Which is the world’s most vertical city?

You might think of Hong Kong, given its famous skyscraper skyline, but by different measures of verticality other cities come out on top Looking out from sky100, Hong Kongs highest observation deck on the 100th floor of the citys tallest building, the 494-metre-high International Commerce Centre, you get a 360-degree view of one of the worlds most famous skylines an urban jungle framed by mountains and the gleaming Victoria harbour, with endless clusters of high-rise buildings packed so closely together they resemble a game of Tetris. Its little wonder a city of such visible density has more skyscrapers than anywhere else in the world. According to the Council on Tall Buildings and Urban Habitat (CTBUH), Hong Kong has 355 buildings …

The skyscraper infinity pool sorry, but where’s the diving board?

It is meant to be a boundary-busting punch for the sky. But this design for a rooftop London pool is just another high-rise ego gimmick In 1924, swimming pool designerno apparent means of escape, as if the digital people are in some kind of sublime prison cell for the super rich. We are assured there is in fact a way in and out, courtesy of a rotating spiral staircase which rises from the pool floor, and that this is an entirely buildable proposition that includes an inbuilt anemometer to vary the water level and access to the pool. Underwater swimming … how the pool could look Photograph: Compass Pools The designer, Alex Kemsley, said, the building started life as a …