One Santa Fe is an LA-based apartment block of dense housing, but instead of building up, homes are spread across a site that’s a quarter of a mile long. With 25% of Americans not even knowing their neighbours' names, can a 'horizontal skyscraper’ recreate the social bonds of a close-knit community?

“I would rather live in a cupboard in Soho than in a mansion in Surrey,” says 50-year-old Vishnia. Urban retirees are embracing life after work as a chance to learn and explore. And owning 80% of the UK's net personal wealth, they can afford to. But what’s driving them to the city?

Walker’s Court in Soho still has a seedy, Dickensian charm and red lights in the windows. But a new development is set to change all that. Soho Estates are pushing the prostitutes out and bringing the developers in. But will this latest wave of gentrification be welcome?

Dubai conjures up images of gleaming skyscrapers, ostentation and uncomfortable politics. Keen to soften this image and attract a new kind of visitor, the city is building a ‘design district’ from scratch – complete with boutiques, galleries and art studios.