Start with chopping up all the veggies. When it's done fry them up in butter for about 10 minutes. Medium heat.
Add the saffron.
Now the cream, fish stock, water and tomatoes
Add the spices andd the lemon juice. If you want you can chop the cummin a little bit. Let the soup boil lightly for 15 minutes.
Cut the salmon in cubes and add it to the soup. Let it boil for 5-7 minutes.
Put the seafood in the soup and let it boil up for 2-3 minutes.