This week on Dezeen: Antoni Gaudi's Sagrada Família basilica entered the final stage of construction this week 90 years after the architect's death, while Nike celebrated Back to the Future day with the release of its eagerly anticipated self-lacing shoes.

Six new towers will be added to the Roman Catholic basilica in Barcelona, completing work that was begun by Spanish architect Gaudi in 1882.

A host of brands celebrated Back to the Future day – the date fictional characters Marty McFly and Doc Brown travelled to in the 1980s sci-fi film. Tech company Arx Pax released an updated hoverboard design, and sports brand Nike used the occasion to release its version of the self-lacing shoes McFly wears in the hit film.

In other news this week, it was announced that a test track for the Hyperloop high-speed transportation network will begin construction in California next month, while a modular residential tower designed to offer a solution to New York's affordable housing shortage neared completion.

Renzo Piano revealed his latest skyscraper design for London and images emerged showcasing an infinity pool at a Foster + Partners-designed building that will overlook the city's iconic Battersea Power Station.

In the week that China's president Xi Jinping made a state visit to the UK, Chinese-owned manufacturer The London Taxi Company revealed what it described as the "new generation" of battery-powered black cabs.

In other London news, a major retrospective of work by Modernist designers Charles and Ray Eames opened at the city's Barbican gallery, prompting Dezeen columnist Sam Jacob to question whether it matters that the Eames name has taken on a life of its own.

Kengo Kuma hit the headlines after releasing plans for a cave-shaped and plant-covered museum dedicated to Filipino history and Frank Gehry became the latest architect to design a boat.

Tokyo 2020 Olympics organisers launched a public competition to source a replacement logo to the design they ditched last month and the crowdfunding trend continued as the Cooper Hewitt museum in New York launched a campaign to raise money for its Design in the Classroom programme.

Dutch Design Week was dominated by projects responding to the current refugee crisis in Europe, including a travelling embassy and a conceptual citizenship-sharing network.

Popular projects on Dezeen this week included a tiny mountain dwelling in Serbia, a prefabricated floating house and a clockwork sex toy.

More architecture | More interiors | More design | More news