Giant inflatable lung
Media playback is unsupported on your device
Video

Roy Castle cancer charity's 'mega lung' shows smoking dangers

Visitors to a shopping centre in County Durham were surprised to find a giant inflatable lung on display earlier.

The Roy Castle Lung Cancer Foundation is using the so-called "mega lung" to educate people about the effects of smoking.

Shoppers were invited to explore the inside of the lung at the Castle Dene shopping centre in Peterlee.

Go to next video: Caroline Aherne has lung cancer