Differences between the book and the film

In the film they have guns and in the book they have swords, then, the film is recorded at present and in the book is in the Middle Ages. In the film The Prince is the police. In the book the news arrived with letters and in the film with Tv. Marcutio in the book is white and in the film is black, the other difference, in the book Mantua is a town and in the film is a desert. In the film Romeo cry for Juliet and in the book fight with Paris.
In the book Juliet kills herself with a dagger and in the film with a gun. In the film Marcutio is gay and in the book no. And finaly in the book the familys check hands and in the film no.