sunny day river poster in art nouveau style

river poster joshua tree sunny day blue sky flat style desert outdoor scene richly detailed art nouveau backgrounds skyblue crimson mountainous vistas zeiss ikon plein air high person#39aph39#s digital painting berkshire western trail showcases stunning australian landscape artwork features shading saturated pigment pools reminiscent mid-century illustrations natural scenery beautifully captured evoking sense tranquility awe picturesque views windows vista generated