Vision of future

SPRAY-ON light-absorbing dust would give public buildings, roads and pathways a phosphorescent shine at night, helping to improve the safety of parks and alleyways.

The bright vision of environmentally friendly cities was unveiled by Arup, the engineering and design consultancy behind London’s Garden Bridge project.

Picture: Boeristudio/PA. An artist’s impression of plant-covered high-rise city blocks as future “green” cities could resemble fairylands filled with radiant buildings and glowing trees, a report says.