kio

but when it reach to that point, I believe the water level must rise up alot.
4 q* s$ }* p* k" `  M/ vEventually, there will not have enough space for people to stand. 9 E! a  R% s5 C# R9 W) g
Oxgyen supply will become a critical problem of building a 2000 floor building.
$ s  D; A+ U% Q- N# B" ]/ w5.39.217.76When the Earth gets more crowded, the oxygen will not be enough to supply to all the man-kind.
8 }9 C( e$ a( W! l/ O: a* C2 ^tvb now,tvbnow,bttvbAT a result, I think human will never going to reach that point.