أطول برج في العالم. برج ويليس

, international database and gallery of structures• , international database and gallery of buildings• of many record holders on• , alternative ranking of the world's 1000 tallest buildings• Also, it will become the world's tallest all-office building and the tallest outside the middle east
Completion is expected in 2015 This tower will be used for hotel and residential

Is currently under construction in Saudi Arabia, scheduled to be completed in 2019.

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أطول عشرة أبراج في العالم
Completion is expected in 2014
قائمة أطول المباني في العالم
It will be the first building to ever reach a height of 1 kilometer, and will also become the tallest building in the world
ما هو أطول برج في العالم
Each of the following are under construction and, depending on the order of completion, could become the world's tallest building or structure in at least one category:• Construction was started in 2010 and expected to complete by 2016
Construction began in 2007, but was halted in August 2011

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ناطحات السحاب الأغلى عالمياً يتصدرها “برج الساعة” في مكة بـ15 مليار دولار
قائمة أطول المنشآت في العالم
ثاني أطول برج في العالم