The Three Gorges Dam Hydroelectric Power Plant

The Three Gorges Dam Hydroelectric Power Plant

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The Three Gorges Dam Project is the world’s largest hydropower complex project located in one of the three gorges of the Yangtze River: the Xilingxia Gorge in Hubei province, China. The dam’s name refers to the majestic limestone cliffs of the Qutang, Wu, and Xiling gorges, which stretch for about 200 kilometers from Fengjie. Construction of the controversial Three Gorges Dam began in 1994. Its first turbine was connected to the grid in 2003, with the final one was connected up in 2012. Made of concrete and steel, the dam is 2,335 m long and the top of the dam is 185 metres above sea level. The project used 27.2 million cubic metres of concrete , 463,000 tonnes of steel and moved about 102.6 million cubic metres of earth. A total of 1.3 million people had to be relocated from their homes.

three gorges dam The Three Gorges Dam Hydroelectric Power Plant

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three gorges dam2 The Three Gorges Dam Hydroelectric Power Plant

three gorges dam3 The Three Gorges Dam Hydroelectric Power Plant

three gorges dam4 The Three Gorges Dam Hydroelectric Power Plant

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Three Most Expensive Stamps

Three Most Expensive Stamps

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Sweden Three Skilling Banco

Most expesive single postage stamp sold in auction is Sweden Three Skilling.  In 1996 the stamp was sold to an anonymous collector for $2.3 million at auction. The three skilling stamp was issued in Sweden in 1855. This stamp was printed on yellow colored paper instead of the usual green color.

postage stamps Three Most Expensive Stamps

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Post Office Mauritius

The Mauritius Post Office stamps were issued by the British Colony Mauritius located in the Indian Ocean in September 1847. A local watchmaker from the capital city of Port Louis engraved the words Post Office instead of the correct words Post Paid on the stamps. About 30 copies of these stamps have survived and they are valued at between $600,000 or more

postage stamps1 Three Most Expensive Stamps

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U.S. Franklin Z-Grill

Only 2 copies of this stamps are known to exist. Stamps were issued in 1867. These stamps show a portrait of Benjamin Franklin and are embossed with a Z-Grill – being a pattern of tiny squares embossed into the paper and visible on the back of the stamps. The purpose of the “Z-Grill” was to permit the canceling ink to be absorbed into the stamp paper thus preventing those who wanted to cheat the post from washing out cancellation marks. An 1868 1 cent “Z-Grill” stamp sold for $930,000 in 1988.

postage stamps2 Three Most Expensive Stamps

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