Nakheel, a state-backed developer, said it would build anothertower block that would be the tallest building in the world, even higher than today's tallest, the Burj Dubai.
"Of course, if it does go ahead it will mean that the next time a monarch reaches their 60th anniversary we'll have to build anothertower -- but I don't suppose we'll have to worry about that for a while, " he joked.