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Seven schools that are close to Heathrow airport have had shelters installed to protect children from the noise pollution caused by air traffic.

The adobe style igloos were originally designed to withstand earthquakes, but can also significantly reduce decibel levels for those inside.

5 live Breakfast's Lesley Ashmall went to visit a primary school which has recently had a shelter built.

Headteacher Anne Broughton said the shelter is "absolutely fantastic" and reduces the noise of the planes.

She said that the sound of the planes can be "so loud" that it often disrupts teaching.

"When they take off it's really loud...if I'm doing an assembly, I have to stop".

Heathrow airport is hoping to build shelters in an additional 21 playgrounds in the area.

This clip is originally from 5 live Breakfast on January 10 2015.