U.S., Aug. 23 -- Mori Building has started work on a $5.4bn three-tower urban regeneration scheme in Tokyo, creating a city-within-a-city full of greenery set to feature Japan's tallest tower.

The leading Japanese urban landscape developer has begun construction on its 'Toranomon-Azabudai District Category 1 Urban Redevelopment Project'. The 'Modern Urban Village' concept will see the creation of a "unique neighbourhood that will combine the sophistication of a megalopolis with the intimacy of a small village in the heart of Tokyo".

Designed by the UK's Heatherwick Studio the project will be home to 3,500 residents across 1,400 units. The towers, featuring offices, a hotel, an international school, shops, restaurants and cultural facili...