autumn landscape of kymijoki river waters and myllykoski factory in finland, kymenlaakso, kouvola

autumn beautiful blue bridge bright calm channel chimney colorful day europe factory finland finnish forest freshness green horizon idyllic kouvola kymenlaakso kymi kymijoki lake landmark landscape light mirror myllykoski nature nobody outdoor outdoors park peaceful reflection river rock rural scene scenery scenic silence sky stream summer tranquil tree water