Construction of a new bridge being raised across the Tumen River on the China-DPRK border appears to have once again stalled, February 2018-dated satellite imagery by Google Earth shows.

North Korean state media first announced the bridge would be built in September 2015 – though offered no expected date of completion – and ongoing delays raise questions as to what is now happening to the project.

“Progress on the bridge has been slow,” said Curtis Melvin, a North Korea researcher at the U.S.-Korea Institute in Washington D.C.

“NK Pro images of the bridge