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Tutankhamun tomb: Human breath wreaks havoc in Egypt

18 January 2013 Last updated at 16:37 GMT

Egypt's tourism industry has suffered since the political unrest in 2011, with visitor numbers significantly down.

There are now worries that the potential closure of one the country's major attractions - the tomb of the boy king Tutankhamun - may make things worse.

Rajan Datar reports.