France, Oct. 21 -- On Sunday, shortly after the Louvre opened, four burglars made away with eight pieces of jewellery once belonging to French royalty, fleeing the museum on scooters. While experts say the priceless items will be impossible to sell in theircurrent condition, questions are also being raised over security failings and warnings unheeded.

The robbery has also reignited the debate over museum security in France.Shortcomings have been previously pointed out on numerous occasions, and the Louvre heist, carried out in broad daylight at the world's most visited museum, is just the latest in a series of incidents.

Among the stolen items were a tiara belonging to Empress Eugenie, wife of Napoleon III, which features nearly 2,000 d...