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HOW TO REFUSE OR WITHDRAW CONSENT
Although the cookies we use on this website are quite harmless and do not reveal your identity, not everyone wishes to have text files downloaded onto their computer or mobile device. If you prefer, it is possible to block some or all cookies, or even to delete cookies that have already been set; but you need to be aware that you might lose some functionality on this website.
There is also a very useful website explaining how to control your interaction with cookies – please visit this site for more information:
The BBC website also has a clear and comprehensive section explaining what they do and how they work. Please be aware that this section is aimed at users of their website, which employs more cookies than our own.