Multiple outlets report on the X-Seed 4000, a long-standing concept design for what would have been the world’s tallest skyscraper. The proposal is described as dwarfing Dubai’s Burj Khalifa, which is widely cited as the current tallest building. According to the reports, the X-Seed 4000 concept would rise to around 4,000 meters (about 2.5 miles) and be structured across roughly 800 floors. The concept is also presented as a large-scale residential development: it is said to be designed to house up to one million residents. One source notes that the concept was unveiled about three decades ago but was never developed or built, meaning it remains a design study rather than an active construction project. Overall, the coverage focuses on the scale of the proposed height and population capacity, while providing limited additional detail about feasibility, backing developers, or any formal plans to move forward.
X-Seed 4000 concept design would have topped 2.5 miles and housed up to 1 million
Multiple outlets report on the X-Seed 4000, a long-standing concept design for what would have been the world’s tallest skyscraper. The proposal is described as dwarfing Dubai’s Burj Khalifa, which is...
- The X-Seed 4000 is a concept design for an ultra-tall skyscraper that was never built.
- It is described as reaching about 4,000 meters (about 2.5 miles) high.
- The concept would span roughly 800 floors.
- The design is described as capable of housing up to one million residents.
- Coverage cites Dubai’s Burj Khalifa as a reference point for its relative size.
Dubai's Burj Khalifa is the world's tallest building, but the X-Seed 4000 concept design would dwarf it five times over, soaring 4km into the sky and housing up to one million residents across 800 floors
2 months agoA concept for the world's tallest skyscraper was unveiled three decades ago but never went ahead - the X-Seed 4000 would have housed up to one million people
2 months ago
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