- Howevertheriverbedmeshisnotanisolatedinfrastructure.InthelongriverofChinahistory,itwalkedalongthezigzagriverbed.Theriverbedcontainedbythedikewasdeepandbroadlinedwithiron-greyshingle.It'slikeaguqin,whichisontheriverbedoftime.Asyouwade,sheisstillrunni...
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