https://books.google.no/books?id=ewlWDQAAQBAJ&pg=PT41&lpg=PT41&dq=the+gods+bathed+in+a+sea+of+natron&source=bl&ots=rMFzN5KMBc&sig=hvUjX5GtX-7YxTVIE2LZNzNqBok&hl=no&sa=X&ved=0ahUKEwiIxPrGi-nbAhWGFywKHbPQByMQ6AEIejAR#v=onepage&q=the%20gods%20bathed%20in%20a%20sea%20of%20natron&f=false