"World's tallest tower rising in Dubai" - AFP

Just because Dubai is the modern babel:

"Slated to become the world's tallest skyscraper and symbol of a city given to grandiose projects, "Burj Dubai," or Dubai Tower, is rising in parallel with the profits of its promoter, Emaar Properties.

... at any point in time, when the whole Downtown Burj Dubai district is under construction, there will be 20,000 men working here," Sang said.

Some 2,500 of these laborers hired by one of many firms working for Emaar downed tools for two days earlier this year and demonstrated in protest at poor working conditions and delays in the payment of salaries. The protests degenerated into riots during which equipment and cars were smashed." [More...]