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1. Emirates Office Tower (left) in Dubai, UAE, is 355m.
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2. The Burj Al Arab in Dubai, UAE, is 321m high.
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3. Jumeirah Emirates Towers Hotel is 309m and is ranked 3rd.
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4. The Kingdom Centre in Riyadh, Saudi Arabia, measures 302m.
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5. Doha\'s Aspire Tower was the centrepiece of last year\'s Asian Games and stands at 300m.