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Cuntan Yangtze River under construction on March 2. [Photo by Wan Nan/ Chongqing Daily]

Attachment of the steel box girder of the Cuntan Yangtze River Bridge began on March 2, Chongqing Daily reported.

The bridge is a part of the Chongqing Airport expressway project and is expected to put into use by the end of this year.

So far, the construction is proceeding as planned.