hippie landscape background. hand drawn mounting, flowers, clouds, sun and rainbow in retro groovy style. vintage 60-70s style

nature psychedelic hippie landscape background groovy retro 70s happiness poster summer sky sun art rainbow mountain flower funky sunset decoration river hill template cartoon design bright fun forest dawn placard clip travel road meadow nostalgia environment outdoors cheerful hiking acid tourism wilderness paint fantasy 60s disco abstract rave graphic background hand drawn mounting flowers clouds style vintage 60-70s style horizontal