psychedelic landscapes poster with stylized mountains, rainbow, seas. retro 70s, 60s hippie style covers.

psychedelic colorful modern vector illustration rainbow mountains print objects mosaic sixties graphic design clouds banner abstract placard hippie isolated drawing retro poster seventies vintage cartoon sun background art nature 1960s 1970s concept landscape view simplicity wallpaper template sky cover 60s card lsd elements logo emblem 70s scene backdrop bloom