Be more specific, in order to answer this question.
The world's tallest artificial structure is the 829.8-meter-tall (2,722 ft) Burj Khalifa<span> in Dubai. The building gained the official title of "Tallest Building in the World" and the tallest self-supported structure at its opening on January 9, 2010.</span>
Answer:
Just talk trash about them
Explanation:
Talk about them with someone you trust so that they won't tell anyone