Man has long been anxious to see bolshennye facilities. Suffice it to recall the Egyptian Pyramids or the Leaning Tower of Pisa. With the development of new technologies construction skyscrapers — tall buildings, it has become popular for enjoying Worldwide. In the XX century boom megalomania enveloped America — then in the U.S. a huge number of high-rise back later "epidemic" was played by neboskrebostroitelstva Worldwide. Now on every continent, except, perhaps, Antarctica and the Arctic, has its giants. Home, up to hundreds of meters are not uncommon. The population of the earth is now set sights on conquering kilometer mark!