an image from the US government EPA "Sunwise" program. I converted it from PDF format, and removed all the "sunwise" logos. the source link is here - http://www.epa.gov/sunwise/doc/mission_story.pdf
Cool vector freebie pack with handy icons, symbols and clip art in Illustrator AI, EPS, PDF and SVG format for your graphic design projects: sexy bikini girls silhouettes, royal crown, airplane, cup, pointing finger, weed leafs, air balloon, palms, hand vectors in different positions, drum, gear and robot illustrations.