Negative thoughts invading the mind
According to what you are describing, the plot device used is the "in media res"
This technique In Media Res means " in the middle of things", and that is exactly how it works, in media res is to start a story in the middle of the story itself instead of its beginning, that is, start the story of the facts showing the characters already involved in the conflict that structures the story, using this technique allows a more dramatic beginning of narration: the story will begin with the protagonist already in trouble, and with this we will capture the interest of the reader from the first moment.
<u>If my answer helped you please give me five stars and mark it as the best answer. Thank you!</u>
The correct option is: "Sydney draws visitors from all around the world to see its iconic architectural masterpiece—the Sydney Opera House."
<u><em>The dash </em></u>can be used in English to add explanatory phrases or comments, similar to parentheses. In formal writing, parentheses should be used instead of hyphens, since the latter sign is considered more informal. Dashes can be used to emphasize a sentence.