viscas

"then crushed under the concretes wiht their mouth open?"  (spelling)

I did not get the last part,   what did you try to tell us?" with their mouth open?".
(may be its my understanding problem). and why used question mark.

"This may be the most painful
things"  

"illness and drough came"  did you mean drought

"Although we could not protect them from suffering , we could rebuild hometown"   in my opinion I would like to use can to instead of could

还有些句子 说不出什么感觉，觉得读起来怪怪的。
我胡说八道了半天 以上的个人意见如果大家有什么不对的地方请大家给我指出来