World's tallest skyscraper would reach 2.5 miles high and house 1m residents

The X-Seed 4000 is a conceptual skyscraper design that was first introduced in 1995, envisioned to reach an unprecedented height of 2.5 miles, significantly surpassing the current record held by Dubai's Burj Khalifa. This ambitious project aims to accommodate approximately one million residents within its structure, showcasing a vision for urban living on an extraordinary scale. If realized, the X-Seed 4000 would redefine architectural possibilities and urban planning, representing a monumental leap in building technology and design. However, it remains a theoretical concept without any confirmed plans for construction.

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