exploring the serene autumn landscape of paanajarvi national park in karelia during a cloudy afternoon

karelia nature landscape paanajarvi national park trees clouds sky wooden path hiking outdoor calm serenity forest grass wetlands wildlife adventure exploration tourism environment scenery tranquility wilderness travel natural beauty ecosystem biodiversity trekking vegetation marsh plants trails northern landscapes scenic views walks fresh air peaceful vistas picturesque habitat activities conservation autumn russia exploring serene cloudy afternoon visitors enjoy lush greenery paths weaving tranquil