Behold, the World's Tallest Concept Building (That Of Course Was Never Built) - Bloomberg
X Tower - Big Air Wake Towers
X-Seed 4000 - The Skyscraper Center
Barefoot International W2923 Pro X Series Tower can pull tubers
MetaBallStudios on Twitter: "🔮Futuristic Projects Compared to Burj Khalifa -Ultima Tower (San Francisco) ▻ 3353 m -X-Seed 4000 (Tokyo) ▻ 4000 m -Tokyo Tower of Babel (Tokyo) ▻ 10 000 m https://t.co/zb1pLUp86N" / Twitter