Letchworth

Four boxes have been placed in the Hertfordshire towns of Letchworth Garden City, Ware and Hertford - with a fifth available in Fowlmere, Cambridgeshire.

In the Hertfordshire town of Letchworth, a woman called Petra told me how an NHS social worker called Margaret Falegan had brought Mr Hiller to her house during a professional visit.

At Letchworth State Park, the “Grand Canyon of the East,” the Genesee River flows through a deep gorge surrounded by lush forest.

A museum run by the Letchworth Garden City Heritage Foundation currently hosting an exhibition dedicated to Mr Karen's work.

In the statement confirming Mr Karen's death, Letchworth Garden City Heritage Foundation - which runs the town's Museum at One Garden City - said he had overseen some of the UK's most iconic designs.