Cities are getting bigger - and louder. As urban noise increases, we look at how sound itself can be used to make things feel quieter. Myra Anubi visits an audio lab in London to experience immersive soundscapes for herself and then hears how a park in Montreal, Canada uses sounds from the ocean to sooth urban stress. And we hear about campaigners' hopes for making a difference in one of the noisiest countries of them all, India.
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Presenter: Myra Anubi Producer: Natasha Fernandes India reporter: Chhavi Sachdev Editor: Jon Bithrey Sound mix: Annie Gardiner
(Image: traffic jam in Delhi, Getty Images)