Our story this week is of a hardworking immigrant family, beavering away to improve the quality of life for Ealing. But first there’s hills made of rubble, classic comedy capers (we find out which world leader was their biggest fan) and the first incline lift in a tube station.

An experiment is underway at Paradise Fields, to see if Beavers can live in an urban setting. Since moving in last year the family have been coppicing trees, damming lakes, and filtering the water. We chat about why beavers were hunted to extinction in Britain, their extraordinarily useful fur and secretions, and how they are making a comeback.

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