Dubai's skyscrapers shoot through the clouds - including the 2,700ft-high Burj Khalifa which is the world's tallest buildingFog rolls over Dubai as the sun begins to set in this image taken on top of an 800foot tall buildingFog rolls over the world's tallest hotel, the JW Marriott, in Dubai a fortnight ago in this image taken by British property developer Ian PowellDubai's skyscrapers can be seen poking through the clouds. In the distance, the world's tallest building can be seenFog rolls over Dubai, taken from the roof of a 800 foot-tall residential building in United Arab EmiratesThe buildings in Dubai are shrouded in clouds for two periods a year - starting in March