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Pub owner Vicky Morgans from Swansea recalled the "smelly clothes and stained ceilings" before she introduced the ban a month earlier at West Cross Inn.

Even using the toilet felt like a gamble, she said, as it meant having to spend the rest of the performance queued up in front of "unhygienic, smelly cubicles".

Experts blame a mix of troubled crops, market forces, depleted stockpiles - and the world’s smelliest fruit.

Many of the wells that the air district had ordered installed have not been drilled deep enough to capture smelly landfill gases, due to safety concerns.

Why are scientists worried about this smelly plant?