This week on Dezeen, we revealed images of BIG's One High Line skyscraper as it nears completion and Foster + Partners' JPMorgan Chase headquarters, which topped out.

Located near New York's High Line, the 122-metre-high development by Danish architecture studio BIG comprises two twisting, condominium towers joined at their base.

Described by BIG founder Bjarke Ingels as "good neighbours", the towers will contain a total of 236 apartments across 36 floors, along with a public courtyard and retail spaces.

Nearby at 270 Park Avenue, Foster + Partners' supertall steel skyscraper for JPMorgan's headquarters has reached its full height.

According to the studio, the 423-metre-high structure will be the city's largest all-electric tower, with 100-percent of its energy sourced from a hydroelectric plant in New York State.

Elsewhere in the US, architecture studio Gehry Partners completed an extension to Warner Bros' Burbank headquarters that was informed by icebergs.

In Tokyo, architecture practice Heatherwick Studio revealed the Azabudai Hills development, which is defined by undulating rooftops and greenery. The development was designed to be "one of Tokyo's greenest urban areas".

Meanwhile in Seoul, dutch studio OMA has designed a cluster of buildings and courtyards beside a mountain for Hongik University's campus expansion.

In other architecture news, plans for the MSG Sphere in east London designed by Populous were rejected by mayor of London Sadiq Khan.

Described by the mayor as "unacceptable", the illuminated sphere raised "significant concerns" regarding its height, massing and bulk.

In design news, UK-based company Pure Electric created an electric scooter that folds down to the size of a cabin bag.

The scooter was built with footpads either side of the chassis intended to provide a more intuitive riding position compared to conventional e-scooters.

Also in London, Tom Dixon's retrospective exhibition opened at the Themes & Variations gallery.

Named Tom Dixon: Metalhead, the exhibition features 52 pieces from the designers 40 year career  including his 1986 welded metal chairs.

Popular projects this week included a park built on an island in Copenhagen's harbour, the conversion of a trio of highland outbuildings and the restoration of a 1960s home in Belgium.

Our latest lookbooks featured imaginative home interiors created on a budget and immersive saunas located in peaceful settings.

This week on Dezeen

This week on Dezeen is our regular roundup of the week's top news stories. Subscribe to our newsletters to be sure you don't miss anything.