Istanbul's venerable Grand Bazaar to get much-needed facelift

Makeover to take a decade and cost tens of millions of dollars

Over 500 years old, surviving fire and earthquakes, it welcomes up to 400,000 people a day and takes pride in being the world's most visited destination - more popular than the Eiffel Tower.

So it's hardly surprising that Istanbul's venerable Grand Bazaar, built in the mid-15th century, has suffered some wear and tear over the years.