an image from the US government EPA "Sunwise" program. I converted it from PDF format. the source link is here - http://www.epa.gov/sunwise/doc/poster.pdf
帽子大綱
cartoon、Clothes、clothing、coloring book、epa、epa sunwise、hat、line art、outline
動畫片、衣服、服裝、填色本、EPA、epa sunwise、有、線條藝術、大綱
資料來源：openclipart ( https://openclipart.org/ )