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