post-apocalyptic ambulance: detailed art style

postapocalyptic art style van accurate detailed expressive character designs soviet realistic color schemes rough clusters desertwave ambulance white background postapocalypse apocalyptic vehicle design expression sovietinspired realism palette roughness clustered desert wave illustrator creative unique eyecatching post-apocalyptic ambulance: old fashioned truck long gears roof depicted science fiction artwork showcases reminiscent frank frazetta's watercolor-like washes adding depth texture composition features quirky cartoonish characters draws inspiration congo modular