a sunset over a serene desert landscape with tall cacti, lush vegetation, and distant mountains

flower painting plant art tree leaf poster mural autumn drawing jungle sketch sunset desert cacti landscape serene mountains vegetation sky nature horizon plants peaceful scenery arid wilderness outdoor dusk twilight sunsetglow desertscape saguaro natural flora evening picturesque tranquil vista arizona beautiful majestic southwest desertplant sunlight sundown scenic beauty remote environment tranquility aridregion cactus