Hi to all
When it comes to ranking the worlds tallest structures, freestanding towers have a long and proud history of displacing skyscrapers as the loftiest construction projects on earth.
Check this link
http://www.constructionweekonline.com/article-9254-top-10-worlds-tallest... [1]
When it comes to ranking the worlds tallest structures, freestanding towers have a long and proud history of displacing skyscrapers as the loftiest construction projects on earth.
Check this link
http://www.constructionweekonline.com/article-9254-top-10-worlds-tallest... [1]