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Anita and Matt are at the lowest point in the UK, the Fens, to explore the way wildlife and people coexist at and below sea level.

Matt helps with a peatland health check and learns that the historic draining of the Fens for agriculture had a lasting environmental impact. Wet farming techniques called paludiculture offer an alternative future for fenland farming, and Matt checks out innovative trials growing crops on waterlogged land.

Anita heads out on a wildlife safari on the Great Fen, surveying species by sight and sound to determine the results of an ambitious fenland restoration project. There's also a visit to a heritage landmark of the Fens, Wicken Windmill, a listen to some birdsong with a sound recordist, and a catch-up with a local potato farmer balancing fertile, peaty soil under challenging conditions. And Adam is on his farm in the Cotswolds, checking on his breeding ewes.