DALL-E 3 PROMPT USED: Create a detailed and realistic portrait image of a tiger from the shoulders up in a professional environmental engineer outfit. The tiger should appear cheery with a noticeable smile on its face. The image should be in proper lighting to exhibit all details of the tiger and its outfit. The image should be calibrated to the dimension of 1024 pixels by 1024 pixels and should be well-constructed such that it fills up the whole image size. Remember that the illustration should portray only a single tiger.