Dubai, which is home to the world's tallest skyscraper Burj Khalifa, is set to welcome the world's second tallest building, Burj Azizi. Real estate firm Azizi Developments said that the building will be 725 metres (2,379 feet) tall, around 340 feet shorter than Burj Khalifa. In a press release, the firm said investment in the project has surpassed $1.6 billion.