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but when it reach to that point, I believe the water level must rise up alot.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。$ _/ L0 @' k7 g4 V# k! Y
Eventually, there will not have enough space for people to stand. 3 Z' _; ?! M) Q  v2 `# {2 y, ?
Oxgyen supply will become a critical problem of building a 2000 floor building.9 M0 J# c! M: v: e3 _
When the Earth gets more crowded, the oxygen will not be enough to supply to all the man-kind.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。4 V9 G1 @- O9 f! G9 {/ h, }
AT a result, I think human will never going to reach that point.