Around six million tourists a year visit the Roman Colosseum. <br /><br />But the vast amphitheatre where contests between gladiators were held in ancient Rome is suffering from damage due to pollution and traffic.<br /><br />It has also been recently discovered that parts of the structure are starting to tilt.<br /><br />However, a $33 million dollar restoration project funded by Diego Dellavalle, president and CEO of Italian leather goods company, Tod's, has led to questions of why a private investor should be left to handle the first comprehensive restoration of the iconic building in 73 years.<br /><br />Al Jazeera's Claudio Lavanga reports from Rome
