World's Tallest Tower Rises in Tokyo
Will Sky Tree help lure quake-rattled tourists back to Japan?
But hold on, what about Dubai's Burj Khalifa? Completed in 2010, the giant skyscraper measures 2,723 feet (830 meters) tall.
Yes, say the records people, but the Burj Khalifa is the world's tallest building.
Tokyo's Sky Tree is a tower, the difference being "that less than 50 percent of the construction is usable floor space," explained Guinness World Records spokesperson Anne-Lise Rouse.
By that definition, the Tokyo Sky Tree topples the record of the 1,969-foot (600-meter) Canton Tower in China's Guangdong Province. And the new record-holder presently has no known challengers, Rouse said.
(See iconic Japan pictures.)
Triangular at its base, the world's tallest tower morphs into a tubular design as the latticed-steel structure rises. The Sky Tree's main role
