Gerryqs, i am very delighted to hear such knowledgeable explanations and i believe you really know what you are talking about. I look forward to hear more on your perspectives and share with us...or say with me who doesnt really have any idea about buildings, real properties of which i am very interested because i will be living here in Qatar for the rest of my life...ty.

"There's nothing we can do to change the past, if it teaches  you a lesson profit from it then, forget it."