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Technological pride of the country, the dam of the Three Throats, the biggest to the world with (in 2012, to term) 32 gigantic turbines of a capacity of 22.500MW, knows three worries, that have just discreet caused the interruption of the rise in water of 145 to 175m, in accordance with the plans.

After one month of attempt, according to the revelation of the weekly Nanfang Zhoumo of Canton, jammed the level to 172.47 m.

A problem was the downstream navigation. Ships of 1 000 passengers and cargos of 3 000 tons require a draft of 3m, that reduces the debit did not permit to assure during the replenishment anymore. Of this fact, the river administration of Chenglingji returns that the groundings were almost dailies during the second half of October, on hundreds of km, in spite of an interruption of the traffic during 4 hours October 20, the time of a dredging that had effect that three days – the low rate also entails the deposit of alluvium. The crisis was adjusted October 31 with the return to a rate of 8 700 m3 / second, then the suspension sine die of the action.

The interruption was also due to the proliferation of the surface litters, whose volume increases when the race slows down. Since beginning September 2008, the fleet of collection of the garbage (51 boats), carried up 40 000 tons, and confess to lose this battle. In the interval, 33 900 human hours, 7 700 hours. ships were spent, necessary to maintain clean surroundings of the station of the pumping of Wanzhou, but without stopping the reservoir from being covered elsewhere of garbage, malodorous gift of all riparian cities. 10 years ago, the 1st minister Zhu Rongji promised 30 stations of purification.

As preoccupying although "without consequences", according to the persons responsible, holds the last worry to the falls of 4719 cliffs noted during the replenishment, hurling down the millions of m3 of loess in the stream. According to the Commission of resources of the Yangtze and a geographical institute of Nanjing, 627 at least of these falls were "associated" to the replenishment.

As many problems that had been sensed behind by the scientific community 20 years. To the point that to the moment of the vote to the Parliament (ANP) in 1992, a third of the elected government had opposed the (300 against, 700 abstained): it was the record of parliamentary frond of the history of the regime. Following what the yard nevertheless started in 1994. Li Peng, the 1st minister of the time, was hydraulic engineer, formed in Moscow, to support some notorious megaprojects.

NB: beyond his undesirable effects, the dam already repaid in state, in taxes in five years, close to 3 billions of dollars – either 15% of the investment. The project will see its completion in 2012, after the pose of the last six turbines.