As if the world's tallest building, biggest shopping mall and largest man-made island weren't enough. Dubai will soon have another record breaker: a 1.2km ski slope. It will be constructed as part of Meydan One complex, which will cover over 40 million square feet and is estimated to cost $6.8 billion to build. The project will also feature a shopping mall, the 711m tower comprising office blocks apartments and shops, a civic plaza, 4km canal and a marina with 100 yacht berths.