The race to build the world's tallest building has reached a new level with plans for a mile-high tower to be built near the Red Sea port of Jeddah in Saudi Arabia. The multi-billionaire owner of the Savoy Hotel in London has unveiled plans for the ambitious £5 billion tower, which will overtake skyscrapers planned or under construction in Kuwait and Dubai. The new tower will surpass the Burj Dubai (pictured), which isunder construction The Mile High Tower will be double the height of its nearest rival, and will be almost seven times the height of the Canary Wharf tower...