King Tut's tomb unveiled after being restored to its ancient splendor

As the world's most famous pharaoh, King Tut has attracted millions of visitors to his tomb but at a cost: dirt, decay and scratches on the walls. This week, a massive effort to restore the tomb was unveiled.   
For the past decade, a team led by the Los Angeles-based Getty Conservation Institute has been renovating the more than 3,300-year-old crypt, reports CBS News' Roxana Saberi. 
It's the first major renovation since the 1920s, when British archaeologist Howard Carter discovered the site in Egypt's Valley of the Kings. 
As King Tut turned into an international sensation, tourists thronged to his tomb to see the sarcophagus and mummy of King Tut himself. "It was sealed more than 3,000 years ago, and when it was opened it was an environmental shock," said Neville Agnew, who lead the effort. 

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