Construction work on the tower began in November 2008. Upon its completion this year the building will stand approximately 632 meters (2,073 ft.) high and will have 121 stories. It is expected to open to the public in 2015. (Photo by Rex Features)

Lindsay Heimbach goes airborne while sledding down a hill on Mt. Lemmon December 27, 2008. (Photo by James Gregg/Arizona Daily Star)

Natalia Williams dressed as Corpse Bride Emily and Tony Knight as a Mandalorian, arrive at the Bradford Unleashed Comic-Con, an entertainment and comic book convention in England on March 8, 2020. (Photo by Danny Lawson/PA Images via Getty Images)

Masked men ride in a morning procession as part of the “Cavalhadas” festival in Pirenopolis, Brazil, Sunday, May 19, 2013. The popular festival is a tradition that was introduced in the 1800's by a Portuguese priest to mark the the ascension of Christ. The 3-day festival reenacts the Christian knights' medieval defeat of the Moors. (Photo by Eraldo Peres/AP Photo)

A Sukhoi Su-35S jet fighter of the Russian Knights aerobatic team performs during the International Maritime Defence Show “Fleet-2024” in Kronstadt, outside St. Petersburg, Russia, Friday, June 21, 2024. (Photo by Dmitri Lovetsky/AP Photo)

Washington Capitals defenseman John Carlson (74) gloves a loose puck beside Vegas Golden Knights right wing Keegan Kolesar (55) during the third period at T-Mobile Arena in Las Vegas, Nevada on November 17, 2024. (Photo by Stephen R. Sylvanie/Imagn Images via USA Today Sports)

Local residents crowd a swimming pool during a hot weather in Suining, Sichuan province, 27 July 2008. (Photo by Reuters/Stringer)

Businesswoman with skirt caught in underwear. Image shot 2008, exact date unknown. (Photo by Alamy Stock Photo)