Technology improves day by day speed of construction happens with lightening speed but they can stand for years but not decades without any technology our ancistors created history in constucting historical monuments like charminar, which was located in hyderabad constructed in 16th century, it was a masterpiece it is still have its attention towards nation, from my childhood days I hearing about this in text books and in news papers iam eager to watch this and finally went there when I saw it for first time I felt so bad not about constructin but it was about maintainance of the monumemt is not properly done by goverenment, our ancistors gave us masterpiece but we polluted that this is not fair, pollution is common in city but measures must taken to protect our monuments this is history we should show for our forthcoming generations