A walk-in light sculpture at Parasol Unit in London is aiming to boost public health by sheltering visitors from bad weather and exposing them to bright light© Courtesy James Yamada / Parasol Unit
The Summer Shelter Retreats Darkly Among the Trees is made of aluminium and holds light elements at 10,000 lux - the intensity used to treat Seasonal Affective Disorder© Courtesy James Yamada / Parasol Unit
The installation is the first artwork in Parasol Unit's Parasolstice - Winter Light series of outdoor projects© Courtesy James Yamada / Parasol Unit
New York-based Yamada is the first artist to take part in the project, and his shelter will be available to enjoy free of charge© Courtesy James Yamada / Parasol Unit
- Open 10am-6pm (12pm-5pm Sunday, by prior arrangement only on Monday). Admission free.