People from around the world arrived at Cooper's Hill in Gloucestershire, England on Monday for the annual cheese-rolling race. /VCG Photo

Competitors ran, slid and stumbled down the famous steep hill, all trying to win a 3.6 kg wheel-shaped chunk of Double Gloucester cheese. /VCG Photo

The world-known annual event, which at first was organized to observe the return of spring, has been celebrated for centuries. /VCG Photo

Due to the steepness and uneven surface of Cooper's Hill, there are usually a number of injuries each year. The competition in recent years has seen increasing concerns over health and safety. /VCG Photo