Mecca Royal Clock Tower vs Post Tower

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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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Post Tower is the headquarters of the logistic company Deutsche Post DHL with the two brands postal services for Germany Deutsche Post as well as the global logistics company DHL. The Post Tower is a 162.5-metre, 41-storey office building in Bonn, Germany. It was created by German-American architect Helmut Jahn and won the 2002 Silver Emporis Skyscraper Award. It's the eleventh tallest skyscraper in Germany, and also the tallest in Germany out of Frankfurt am Main.

Source: Wikipedia