Taipei 101 was the first world's tallest building completed in the 21st century.
It holds the world record in three of the Council on Tall Buildings
and Urban Habitat's height categories: tallest to the structural top,
tallest to the roof, and highest occupied floor.
The outdoor observation deck is the highest in the world.
The 89th floor holds an indoor observation area,
and an outdoor observation deck is located
on the 91st floor.
The tower's design specification are based on the number "8",
a lucky number in traditional Chinese culture featuring
8 upward-flaring sections, and is supported by 8 supercolumns.
Most aspects of the design, layout and planning
were reviewed by Feng Shui master.
