They will not be on earth. Not even under the earth. The israeli bombs pulverized a lot of people. 
Israel actually has camps like the nazis had in ww2 where many palestinians dissapear.
Watch the gaza doctor documentary to understand what they really do.

openyoureyes

However, the plan does not specify where two million Palestinians would be sheltered during the reconstruction period.

 the reconstruction period.  But I suppose it's impolite to ask.

Politics_And_Law

Inside The $112BN Plan To Rebuild Gaza As 'High Tech Metropolis'

siggy47

> However, the plan does not specify where two million Palestinians would be sheltered during the reconstruction period.

I also wonder where they'd be _after_ the reconstruction period.  But I suppose it's impolite to ask.