nature reserve sestroretskoe swamp, city of st. petersburg russia may 22, 2022

2022 banner beautiful blossom city cotton cottongrass cottonsedge damp ecology ecotrail flora floral grass green journey karelia lake land landscape may meadow morning moss national natural nature north outdoor outdoors park pathway petersburg plant reserve russia sanctuary scenery sestroretsk sestroretskoe summer swamp swamps tourism travel water wet wetland wetlands wild wilderness wildflower wildlife