Implementation Of Construction Works On Two Out Of Six Sections Falling Within The Scope Of The Project Entitled: Reconstruction Of The Biological Diversity Of The Nida Valley, By Rebuilding Ecological Corridors And Increasing Land Retention, Implemented Under The Contract No. Fepw.02.03-Iw.01-0002/24 O Project Funding Under The European Funds Program For Eastern Poland 2021-2027 Priority Fepw Ii. (...)