免版税的Earth Globe Icon Set高级股票矢量

DESCRIPTION

Set of nine simple Earth globe icons. Vector file is layered. This image uses only Nasa's Blue Marble original data, which is a terrain layer in the public domain. Works created by an agency of the United States government are public domain at the moment of creation. This means that those images can be freely modified, redistributed and used for commercial purposes. http://visibleearth.nasa.gov/view_cat.php?categoryID=1484&p=3