Hamas's hiding places according to Israel are everywhere so they bomb everything just in case the enemy is there?
It seems that Israel is using world war two German tactics to get at Hamas by killing 20 or more Palestinians for every Israeli that is killed.
This may not be a planned ratio but it appears to many of its allies that this is the result of their over zealous resolve to destroy Hamas at any cost.
Palestinian civilian causalities are apparently considered acceptable collateral damage even if they be children, elderly or doctors and nurses.
Below is a rough list of locations hit by Israel so far.