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Cabin crew reveal the stomach-churning secret behind headphones on a plane | Travel News | Travel | Express.co.uk
![A passenger uses the in-flight entertainment system inside a Kingfisher Airlines aircraft in the skies over New Delhi May 21, 2006. India's nascent but booming domestic aviation industry carried about 20 million A passenger uses the in-flight entertainment system inside a Kingfisher Airlines aircraft in the skies over New Delhi May 21, 2006. India's nascent but booming domestic aviation industry carried about 20 million](https://c8.alamy.com/comp/2D23NND/a-passenger-uses-the-in-flight-entertainment-system-inside-a-kingfisher-airlines-aircraft-in-the-skies-over-new-delhi-may-21-2006-indias-nascent-but-booming-domestic-aviation-industry-carried-about-20-million-passengers-in-the-first-ten-months-of-fiscal-2006-an-aviation-official-said-recently-analysts-expect-it-to-grow-up-to-25-percent-over-the-next-few-years-reuterskamal-kishore-2D23NND.jpg)
A passenger uses the in-flight entertainment system inside a Kingfisher Airlines aircraft in the skies over New Delhi May 21, 2006. India's nascent but booming domestic aviation industry carried about 20 million
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