In large skillet, heat oil over medium heat. Add celery, onion and carrots; cook 8 minutes, stirring occasionally. Add garlic, cumin, paprika, ginger and cayenne pepper; cook 30 seconds, stirring occasionally.

Add broth and potatoes; bring to a boil.

Cover; reduce heat to medium-low. Simmer 15 minutes. Stir in tomato, zucchini and chickpeas. Cover. Continue to simmer 10 to 15 minutes or until zucchini is tender.

Meanwhile, place couscous in a 8x8x2-inch glass baking dish. In medium saucepan, combine water, cinnamon and salt; bring to a boil. Pour liquid over couscous; cover with foil. Let stand 8 to 10 minutes or until liquid is absorbed. Fluff with fork. Serve vegetables over couscous. Sprinkle with parsley.