Itaipu Dam: Spanning five miles in width, the Itaipu Dam lies across the entire Parana River at the Brazil-Paraguay border. Workers shifted the course of the world's seventh largest river by digging a 1.3 mile bypass. The iron and steel used to build the dam could easily be used to build 300 Eiffel Towers.
CN Tower: At 1,815 ft, it is the world's tallest free standing structure. It as heavy as 23,214 full grown elephants! Designed with the aid of a wind tunnel, it is capable of withstanding gusts of 260 mph.
Panama Canal: The failed ambition of French canal Builder Ferdinand de Lesseps, it is one of the greatest architectural triumphs. 42,000 workers, under U.S. Col. George Washington Goethals, dug enough earth and rubble to bury the whole of Manhattan to a depth of 2 ft! It remains an example the combined skills of structural, geotechnical, hydraulic and sanitary engineering.
Channel Tunnel: situated underwater, this 31 mile channel provides a dream link between Britain and the rest of Europe. It consists of three tubes for the trains that ply in it.
North Sea Protection Works: The vast system of dams, floodgates, storm surge barriers and other engineering works that it is comprised of keeps Netherlands on the map of the world. Being below sea-level, with a land mass that is continuously sinking, provides a life-line measure. It is an example of man's indomitable spirit of battling nature.
Golden Gate Bridge: Even after 60 years, it remains the world's tallest suspension bridge, hanging from two 746 ft high towers. Its cables, which are each a yard thick, are the biggest ever. It also contains enough cables to encircle the world three times!
Allwondersoftheworld.com will give you a more comprehensive idea and more amazing information about the Seven Modern Wonders of the World. |
