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Taipei 101

Taipei, Taiwan

Year

1999-2004

Duration

5 years

Cost

US$1.76 billion

Location

Taiwan
Project achievements

Used engineering skill

Designed to withstand some of the highest seismic activity in the world

Area improved

Stands as one of the most recognisable skyscrapers in the world

Environment benefitted

One of the tallest green buildings in the world

Taipei 101: a design rooted in culture

Taipei 101 stands as one of the most recognisable skyscrapers in the world. Not just for its height, standing at 508m (1,667ft) tall, but for the way it weaves Taiwanese culture, environmental resilience and future thinking into a single structure.

Once completed in 2004, it held the title of the world’s tallest building for six years and remains a benchmark for how cultural identity can shape major infrastructure.

Taipei 101’s design is instantly distinctive: eight stacked modules, each shaped like a traditional pagoda pier.

The number eight is considered a lucky omen in Chinese culture, symbolising prosperity and good fortune. Architect C.Y. Lee intentionally drew on this kind of symbolism to ensure the structure embodied cultural continuity in a city that was rapidly modernising.

Other cultural motifs appear throughout the structure including tapering that resembles bamboo, a plant linked with resilience, growth and flexibility.

Ruyi patterns, traditionally used as symbols of protection and good fortune, appear several times on the outside of the structure.

Feng shui principles guided the tower’s orientation, reflecting a belief that building should work in harmony with their environment rather than dominate it.

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Alex Honnold’s free climb of Taipei 101

In a moment that captured worldwide attention, climber Alex Honnold recently completed a free climb of Taipei 101’s exterior.

Known for his ropeless ascents of natural rock faces, Honnold approached the skyscraper with the same precision and calm that define his mountain climbs.

His climb introduced many people to Taipei 101 – and to Taiwan more broadly.

It also highlighted the building’s unique structure and drew renewed attention to the engineering that allows a building of that size to stand firm in one of the world’s most earthquake-prone regions.

Did you know …

  1. In a moment that captured worldwide attention, climber Alex Honnold completed a free climb of Taipei 101’s exterior in early 2026.

  2. When it achieved LEED platinum certification in 2011, it became one of the tallest green buildings in the world.

  3. The building's bamboo-inspired form helps to make it more resilient against earthquakes by distributing seismic forces more evenly.

Engineering for a seismically active island

Taiwan experiences some of the highest seismic activity in the world.

Minor earthquakes can occur several times a day, and major earthquakes are a regular part of the island’s history.

Designing a tall building in this environment required engineering solutions far beyond standard practice.

One of the most important features is a huge, ball-shaped weight at the top of the tower that acts like a pendulum.

It moves opposite to the building’s sway, helping to steady the building during strong winds and ground movement.

The buildings core is made of reinforced concrete, and the exterior wall’s columns are designed to flex rather than fracture.

The tiered, bamboo-inspired form also helps distribute seismic forces more evenly.

Sustainability as a guiding principle

Long before sustainability became a standard expectation, Taipei 101 incorporated energy-efficient systems.

In 2011 it achieved LEED platinum certification, becoming one of the tallest green buildings in the world.

Its features include:

  • High-efficiency chillers and HVAC systems
  • Smart lighting and building management controls
  • Water recycling and rainwater capture systems

People who made it happen

Project led by C.Y. Lee & Partners.

Structural engineering carried out by Thornton Tomasetti and Evergreen Consulting Engineering.

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