Russia has sped up the construction of a new multimillion-dollar car bridge to North Korea across the Tumen River, according to a new report, following the start of preparatory work on the long-delayed project late last year.

SI Analytics noted “rapid preparations for bridge construction” this year and released a high-resolution image of work on the Russian side of the frozen river on March 3, showing likely locations for future bridge columns, in its nK Insight report.

The new structure forming the foundation for the future bridge appears to have been “anchored to the riverbed, likely by manual labor,”