The streets of London were alive with the roar of supercars as they made their way to the Royal Hospital Chelsea for the third Chelsea AutoLegends.Thousands of visitors were ready to be thrilled as the convoy of exotic cars including Bugatti, Ferrari, Lamborghini, Maserati, Rolls Royce entered the gates of the Royal Hospital. More than 500 cars were on display ranging from early 20th Century Classics to legends from Le Mans, Formula One and Rally.