Urine from the toilets is diverted to a reedbed for natural purification, and the faeces are turned into compost for the community’s forest.

尿从厕所引入苇地自然净化，粪便制成堆肥施在公共森林里。

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The new Thrupp Lake Wetland Centre, which will be solar-powered, will include a learning area and have a reedbed filtration system.

BBC: New Thrupp Lake wetlands centre appeal begins

The bittern, which lives in reedbed habitat, was once widespread across the UK, but stopped nesting in the UK in the 19th Century after drainage of wetlands.

BBC: Rescued rare bird to be released