Caldo De Camaron (Mexican Shrimp Soup)

Name: Caldo De Camaron (Mexican Shrimp Soup)
Prep time: 15 min
Cook time: 1 h 5 min
Total time: 1 h 20 min
Cuisine: Mexican
Ingredients: 3 small potatoes, peeled and cut into chunks; 3 carrots, peeled and cut into chunks; 4 celery stalks, cut into chunks; 2-3 cobs corn, cut into wheels; 2 bay leaves; 1 Mexican squash or zucchini cut into chunks; handful of cilantro + more for serving; lime to serve; 1 Tbsp oil; ½ large onion, cut into big chunks; 4 large garlic; 5 guajillo peppers stemmed and seeded, cut into big chunks; 4 chile de árbol ( use less for milder soup); 3 roma tomatoes, cut into big chunks; 1 chicken bouillon; 1 tsp salt + salt to taste; 1 tsp pepper; 8oz can tomato sauce; 1 tsp oregano; ½ tsp cumin; 10 cups water, divided; 2 pounds jumbo shrimp, peeled with tails on and deveined, shells reserved