kio

but when it reach to that point, I believe the water level must rise up alot.
" ^  }2 r4 m2 C% K4 C5.39.217.76Eventually, there will not have enough space for people to stand. # n+ g  v/ w1 `1 E# f7 L
Oxgyen supply will become a critical problem of building a 2000 floor building.
( J8 k" @6 t; T公仔箱論壇When the Earth gets more crowded, the oxygen will not be enough to supply to all the man-kind.3 X; N6 y1 j, ^+ E: _+ ^' M
AT a result, I think human will never going to reach that point.