autumn evening: detailed of mountains, river, and tranquil serenity

evening scene mountains river autumn detailed illustrations earth tone color palette adventure pulp accurate ornithological paintings rtx orange cyan tranquil serenity nature scenic beauty landscape fall colors art mountain range water serene atmosphere wilderness outdoors relaxation peaceful calm natural autumnal vibrant artwork fiction birdwatching evening: swamp featuring countryside sky background large-scale mural inspired vancouver school showcases blend light dark gray tones captured sony alpha iii draws influence arts crafts movement presented canvas decorative backgrounds generated