Dubai underwent rapid development from 1990 to 2007, with real estate prices rising significantly during this period. This contributed to large artificial projects such as man-made islands costing $40-50 million each, plans for the world's most luxurious underwater hotel, and proposals for the tallest skyscrapers on the planet. However, this breakneck development of Dubailand and other ambitious projects, with a total projected cost of $200 billion, appears to have significantly contributed to the global financial crisis, with the funds for these projects now depleted.