ge-scale, mixed-use development that will mixed-use development that will include 30,000 homes, nine hotels, include 30,000 homes, nine hotels, 3 3 hectares hectares (7.4 (7.4 acres acres ) of parkland, at ) of parkland, at least 19 residential towers, the least 19 residential towers, the Dubai Dubai Mall Mall , and the 12-hectare (30-acre) , and the 12-hectare (30-acre) man-made Burj Dubai Lake.The man-made Burj Dubai Lake.The decision to build Burj Dubai is decision to build Burj Dubai is reportedly based on the government's reportedly based on the government's decision to diversify from an oil-based decision to diversify from an oil-based economy to one that is service- and economy to one that is service- and tourism-oriented. tourism-oriented. purpose purpose