The Dujiangyan Irrigation Project was completed around 250 BC during the Warring States Period.

都江堰水利工程修建于公元前250年的战国时期。

youdao

Dujiangyan was founded in 256 BC, the world community is so far, the oldest, only retained, with diversion without dam for the characteristics of the large water conservancy project.

都江堰建于公元前256年，是全世界至今为止，年代最久、唯一留存、以无坝引水为特征的宏大水利工程。

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The project was conceived and initiated by Ptolemy Soter around 290 BC, but was completed after his death, during the reign of his son Ptolemy Philadelphus.

这项工程是由托勒密索特在公元前290年左右策划和发起的，但在他死后，在他的儿子菲勒迪法的统治期间完成的。

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On can argue about the merits of such a project, but I would remaind the author that Enbridge is considering a similar project connecting the oil reserves of Alberta to BC.

FORBES: Chavez Contagion: The Growing Risk To Latin American Oil

Seven villages of District Bahawalpur (BC 33, Bheli, DNB 112, Abbass Nagar, Dera Bukka) participated in the Project and 229 artisans mainly women were the beneficiaries.

UNESCO: CULTURE

The proposed Project will build upon the previous work by strengthening the pit-loom weaving industry of BC 33.

UNESCO: CULTURE