Hearty Italian Bean Soup

• 2 celery stalk (diced)
• 2 carrot
• 1 onion
• 475 gr beans (white)
• 300 gr tomato stewed
• 400 ml chicken broth
• 230 gr zucchini (diced)
• 110 gr ham (cooked)
• 32 gr spinach (fresh)
• 16 ml olive oil