# Japan Plans World's Tallest Building X-Seed 4000 By Kyla Schmidt | Published 2007-08-28 | Art & Design Source: Trend Hunter, https://www.trendhunter.com/trends/reaching-new-heights-japan-plans-for-the-worlds-tallest-building References: [blog.scifi](http://blog.scifi.com/tech/archives/2007/08/21/japans_plans_fo.html) Holy Mount Fuji Batman! The Tasei Construction Company in Japan is is planning to build a [13,123-foot- tall building](https://www.trendhunter.com/trends/lina-peak) called the X-Seed 4000 which will house anywhere from 500 thousand to 1 million people. If this actually happens this mammoth mansion will be seven times taller than the current [tallest building](https://www.trendhunter.com/trends/astra-skyscraper), and about 700 feet taller than Mt. Fuji. For some where around $300 to $900 billion The X-seed could be built to use [solar energy](https://www.trendhunter.com/trends/muraba-veil) as the primary source of power and use recycled water. This thing is going to be so big not even Gojira could climb this bad boy! ## Trend Insights (Trend Hunter) - Score: 4.9/10 - Popularity: 92% | Activity: 47% | Freshness: 8% - Audience gender: 70% men, 30% women - Primary generations: Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Art & Design](https://www.trendhunter.com/artdesign) > [Design](https://www.trendhunter.com/design) ## Key Themes ### Key Themes Behind This Trend - **Vertical Urbanization:** The trend of constructing super-tall buildings that house a large number of people, such as the X-Seed 4000, presents opportunities for innovative urban planning and infrastructure development. - **Sustainable Skyscrapers:** The construction of the X-Seed 4000 using solar energy as the primary source of power and recycled water highlights the trend of creating environmentally-friendly and energy-efficient high-rise buildings. - **Megastructure Engineering:** The ambitious plan to build the world's tallest building, the X-Seed 4000, sparks opportunities for disruptive innovations in engineering and construction techniques for megastructures. ### Where This Applies - **Urban Planning:** The vertical urbanization trend presents opportunities for urban planning professionals to rethink city layouts and create more sustainable and efficient urban environments. - **Renewable Energy:** The emphasis on solar energy in the X-Seed 4000 project highlights the potential for disruptive innovation in the renewable energy sector to support and power large-scale buildings. - **Construction:** The construction of megastructures like the X-Seed 4000 requires innovative construction techniques and materials, leading to opportunities for advancements in the construction industry. ## Related on Trend Hunter - [Ski Resort Crystalline Skyscrapers](https://www.trendhunter.com/trends/trojena-ski-resort.md) - [Cube-Shaped Skyscraper Buildings](https://www.trendhunter.com/trends/mukaab.md) - [Rain-Collecting Skyscrapers](https://www.trendhunter.com/trends/bpas-architects.md) - [Asia-Based Wooden Buildings](https://www.trendhunter.com/trends/gaia-building-1.md) - [Tallest Australian Skyscrapers](https://www.trendhunter.com/trends/one-park-lane.md) - [Staggered Tower Texan Skyscrapers](https://www.trendhunter.com/trends/1550-on-the-green.md) - [White 3D-Printed Tower Buildings](https://www.trendhunter.com/trends/tor-alva.md) - [Wooden Residential Parisian Buildings](https://www.trendhunter.com/trends/yamatani.md) - [Greenery-Filled Skyscraper Terrarium](https://www.trendhunter.com/trends/terrarium-cheongdam.md)