Spinnaker Tower was created in 2005.
Its 170m
it was built in 2007
i think that there are about over 10 million people every year that go to the spinnaker tower
It never collapsed
iron and wood
The Spinnaker Tower is 170-meter (560 ft) high .
1,000,000,000,000 mm
its located in Portsmouth Hampshire England
The Spinnaker was created in 1977.
An asymmetrical spinnaker is a sail which is rigged like a spinnaker, but asymmetrically shaped like a genoa.
The tower is designed by Skidmore, Owings and Merrill, which also designed the Willis Tower (formerly the Sears Tower)