The construction of l' Empire State Building began in Mars from 1930 on the site from l' hotel Waldorf-Astoria Hotel old to 350 Fifth Avenue with the 34e Street. It was concluded 14 month later in May 1931. Conceived by the cabinet d' Shreve architects, Lamb & Harmon Associates, l' Worsen State Building, with 102 stories, was the most building of the world jusqu' with l' completion of the first tower of the World Trade Center in the Lower Manhattan in 1972...

The hydroelectric station d' Itaipu is largest of the kind in operation in the world. Built as from 1975 to 1991, in a development binational on the Paraná river, Itaipu represents the efforts and the achievements of the two adjoining countries, Brazil and Paraguay. 18 production units central to add it jusqu' at a total production capacity of 12.600 MW (megawatts) and a reliable exit of 75 million MWh per annum. The d' production; Itaipú energy broke several records during the last years, after the last production unit was ordered in 1991. The generation of 77.212.396 MWh per annum in 1995 will be again exceeded in 1996, and the new recording will be d' approximately 80 million MWh d' a mark year...

It is normal that television, the technological wonder which radically changed the life at the 20th century, involved the construction of l' EER higher self-supporting structure. At the end of the years 1960, horizon of the blaze of Toronto started to make devastations with signals starting from traditional turns of transmission. Signals rebounding on the skyscrapers of the city produces a certain number of problems, in particular the phenomenon obstructing of “ghosting” on the television sets. Weaker signals in competition with strongest, which gives to the televiewers the effects to look at two emissions at the same time. To improve the situation, the National Canadian or CN, construction d' proposed; a tower of transmission which would hold head and the shoulders - and then some - above higher buildings Toronto...

Among the main peaceful efforts of l' humanity which largely contributed to the progress made in the world, the construction of the channel is presented in the form of an imposing realization inspiring. Triumph of l' engineering without similar was made possible by an international labour force under the direction of American visionaries, who made the secular dream of l' union of the two large oceans, a reality...

On December 20, 1994, j' travelled from London Waterloo to Paris Gare North by the train Eurostar, return the same day. The voyage includes/understands a voyage through the Channel tunnel and on new French Ligne has High speed of the tunnel towards Paris via Lille. This account is complementary to that of Erik Evrard, which from Brussels to London the first day of the business service, November 14...

storms often cause water of tide for s' to crush on the dams and to flood the rivers and the estuaries. Although all the coastal areas are threatened, two particularly vulnerable factors are l' important entry of the tides known in the past like Zuiderzee and the delta created by the Rhine and the Meuse in the south-western corner of the country. Netherlander engineers purse to propose that Zuiderzee being dammed up and drained at the 19th century, but the government was reticent with s' to attack with an immense project. Then, in 1916, a furious storm struck the provinces of north. The difficulties of the agricultural production in time of war worsened, and it way was traced for the construction of stoppings on Zuiderzee...

The Golden delicious Spoils Bridge of San Francisco, with bonds of County Sailor in absolute splendour. The bridge is l' one of the architectural wonders of the XXe century and a testimony of fight of l' man, as it was built during the years of the Great Depression. During years, the Golden delicious Spoils Bridge held the title like the longest suspended bridge in the world. Before its completion in 1937, the bridge was considered to be impossible to build, thanks to the time of persistent fog, 60-mile-per-winds hour, and strong oceanic currents, which whipped by a deep canyon below. In fact, the bridge is commonly known like the bridge " who n' could not be construit." In spite of these natural elements pitiless, the bridge was built in a little more than four years. The total costs were of 35 million dollars. The overall length of the spans of bridge of 1,2 miles. Eleven men lost the life during the construction of the bridge...