Ancient expertise provides answers to Sichuan river project
<p><span word="Download">Download</span></p><p><span word="A">A</span> <span word="major">major</span> <span word="construction">construction</span> <span word="project">project</span> <span word="has">has</span> <span word="unearthed">unearthed</span> <span word="a">a</span> <span word="piece">piece</span> <span word="of">of</span> <span word="history">history</span> <span word="and">and</span> <span word="thrown">thrown</span> <span word="light">light</span> <span word="on">on</span> <span word="engineering">engineering</span> <span word="expertise">expertise</span> <span word="dating">dating</span> <span word="back">back</span> <span word="millennia">millennia</span>.</p><p><span word="Twenty">Twenty</span> <span word="ancient">ancient</span> <span word="rock">rock</span> <span word="pillar">pillar</span> <span word="bases">bases</span>, <span word="probably">probably</span> <span word="used">used</span> <span word="to">to</span> <span word="support">support</span> <span word="a">a</span> <span word="dam">dam</span>, <span word="have">have</span> <span word="emerged">emerged</span> <span word="from">from</span> <span word="the">the</span> <span word="depths">depths</span> <span word="near">near</span> <span word="the">the</span> <span word="Precious">Precious</span> <span word="Bottleneck">Bottleneck</span> <span word="Channel">Channel</span> <span word="in">in</span> <span word="the">the</span> <span word="wake">wake</span> <span word="of">of</span> <span word="large">large</span>-<span word="scale">scale</span> <span word="maintenance">maintenance</span> <span word="of">of</span> <span word="the">the</span> 2,000-<span word="year">year</span>-<span word="old">old</span> <span word="Dujiangyan">Dujiangyan</span> <span word="Irrigation">Irrigation</span> <span word="Project">Project</span>.</p><p><span word="The">The</span> <span word="project">project</span> <span word="had">had</span> <span word="been">been</span> <span word="suspended">suspended</span> <span word="for">for</span> 11 <span word="years">years</span> <span word="but">but</span> <span word="was">was</span> <span word="relaunched">relaunched</span> <span word="on">on</span> <span word="Dec">Dec</span> 10.</p><p><span word="About">About</span> 40 <span word="workers">workers</span> <span word="spent">spent</span> <span word="hours">hours</span> <span word="damming">damming</span> <span word="the">the</span> <span word="Minjiang">Minjiang</span>, <span word="a">a</span> <span word="tributary">tributary</span> <span word="of">of</span> <span word="the">the</span> <span word="upper">upper</span> <span word="Yangtze">Yangtze</span> <span word="River">River</span>, <span word="in">in</span> <span word="Sichuan">Sichuan</span> <span word="province">province</span>.</p><p><span word="Of">Of</span> <span word="course">course</span> <span word="they">they</span> <span word="had">had</span> <span word="access">access</span> <span word="to">to</span> <span word="modern">modern</span> <span word="machinery">machinery</span> <span word="but">but</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="methods">methods</span> <span word="they">they</span> <span word="used">used</span> <span word="harked">harked</span> <span word="back">back</span> <span word="to">to</span> <span word="earlier">earlier</span> <span word="times">times</span>.</p><p><span word="One">One</span> <span word="of">of</span> <span word="the">the</span> <span word="traditional">traditional</span> <span word="methods">methods</span> <span word="they">they</span> <span word="used">used</span> <span word="was">was</span> <span word="to">to</span> <span word="put">put</span> <span word="stones">stones</span> <span word="in">in</span> <span word="bamboo">bamboo</span> <span word="cages">cages</span>, <span word="and">and</span> <span word="sandbags">sandbags</span> <span word="around">around</span> <span word="rafts">rafts</span>, <span word="each">each</span> <span word="made">made</span> <span word="of">of</span> <span word="tree">tree</span> <span word="trunks">trunks</span>. <span word="This">This</span> <span word="ensured">ensured</span> <span word="an">an</span> <span word="effective">effective</span> <span word="dam">dam</span>, <span word="much">much</span> <span word="as">as</span> <span word="it">it</span> <span word="did">did</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="years">years</span> <span word="ago">ago</span>.</p><p><span word="After">After</span> <span word="the">the</span> <span word="river">river</span> <span word="was">was</span> <span word="dammed">dammed</span>, <span word="its">its</span> <span word="bed">bed</span> <span word="emerged">emerged</span>, <span word="allowing">allowing</span> <span word="workers">workers</span> <span word="to">to</span> <span word="clear">clear</span> <span word="the">the</span> <span word="waterway">waterway</span>.</p><p><span word="But">But</span> <span word="when">when</span> <span word="the">the</span> <span word="water">water</span> <span word="level">level</span> <span word="dropped">dropped</span>, 20 <span word="ancient">ancient</span> <span word="round">round</span> <span word="rocks">rocks</span> <span word="and">and</span> <span word="boulders">boulders</span> <span word="were">were</span> <span word="found">found</span> <span word="near">near</span> <span word="the">the</span> <span word="channel">channel</span>.</p><p>"<span word="The">The</span> <span word="boulders">boulders</span> <span word="might">might</span> <span word="be">be</span> <span word="building">building</span> <span word="materials">materials</span> <span word="for">for</span> <span word="maintaining">maintaining</span> <span word="the">the</span> <span word="levee">levee</span> <span word="of">of</span> <span word="the">the</span> <span word="project">project</span>, <span word="while">while</span> <span word="the">the</span> <span word="round">round</span> <span word="stones">stones</span> <span word="might">might</span> <span word="be">be</span> <span word="the">the</span> '<span word="bedders">bedders</span>' <span word="for">for</span> <span word="increasing">increasing</span> <span word="the">the</span> <span word="stress">stress</span> <span word="area">area</span> <span word="of">of</span> <span word="the">the</span> <span word="pillars">pillars</span> <span word="of">of</span> <span word="large">large</span> <span word="buildings">buildings</span>, <span word="which">which</span> <span word="had">had</span> <span word="been">been</span> <span word="washed">washed</span> <span word="into">into</span> <span word="the">the</span> <span word="river">river</span> <span word="by">by</span> <span word="floods">floods</span>," <span word="said">said</span> <span word="Fu">Fu</span> <span word="Hao">Hao</span>, <span word="deputy">deputy</span> <span word="director">director</span> <span word="of">of</span> <span word="the">the</span> <span word="Dujiangyan">Dujiangyan</span> <span word="cultural">cultural</span> <span word="heritage">heritage</span> <span word="bureau">bureau</span>.</p><p><span word="Experts">Experts</span> <span word="say">say</span> <span word="the">the</span> <span word="site">site</span> <span word="has">has</span> <span word="many">many</span> <span word="submerged">submerged</span> <span word="relics">relics</span>.</p>
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