Mecca Royal Clock Tower vs Tianjin World Financial Center

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The Abraj Al-Bait (Arabic: ????? ??????, romanized: ?Abr?? al-Bayt 'Towers of the House') is a government-owned complex of seven skyscraper hotels in Mecca, Saudi Arabia. These towers are a part of the King Abdulaziz Endowment Project which aims to update the city in catering to its pilgrims. The central hotel tower, the Makkah Royal Clock Tower, has the world's largest clock face and is the third-tallest building and fifth-tallest freestanding structure in the world. The clock tower comprises the Clock Tower Museum which occupies the top four floors of the tower.The building complex is metres away from the world's largest mosque and Islam's most sacred site, the Great Mosque of Mecca.

The developer and builder of this complex is that the Saudi Binladin Group, the Kingdom's largest construction firm. It's the world's second most expensive building with the whole cost of construction totalling US$15 billion. The complex was built after the demolition of the Ajyad Fortress, the 18th-century Ottoman citadel on top of a hill overlooking the Grand Mosque. The destruction of the historically important site in 2002 from the Saudi authorities sparked international outcry and a powerful response from Turkey.

Source: Wikipedia

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The Tianjin Tower, or Jin Tower (Chinese: ??; pinyin: J?nt?), or Tianjin World Financial Center (Chinese: ????????; pinyin: Ti?nj?n Huánqiú J?nróng Zh?ngx?n) is a Contemporary supertall skyscraper located in the Heping District of Tianjin, China, on the banks of the Hai River.

The mixed-use tower is 336.9 meters (1,105 ft) tall and contains 74 floors above ground and 4 below, with an observation deck in 305.2 meters (1,001 ft). The region of the glass unitized curtain wall, manufactured by Jangho Group, is 215,000m². It's notable as the first office building in Tianjin to be equipped with double decker elevators.The skyscraper was topped-out on January 14, 2010 and opened in 2011. The building is owned by Financial Street Holding, with JLL (company) as joint sales and leasing agents.

Source: Wikipedia