The fragrance comes from substances called geosmins, which are also responsible for the musty odour of florist shops and damp cellars.

They rented a tiny flat with a musty odour, where they slept on a bed with no sheets.

In fact, once beyond the opening frames, the whole movie has an altogether musty odour, as if those up-to-the-minute lines had simply been tacked on to a mothballed script.

Dried orange peels can be placed in a cloth bag and placed in closets and cupboards to reduce musty odours.

It comes in the form of a colourless, hygroscopic, nonflammable, highly reactive gas characterized by a musty odour.