2007年2月27日 (火) 03:414,320 × 2,160 (915キロバイト)Keenan PepperThis image shows the number of people per square kilometer around the world in 1994. The data were derived from population records based on political divisions such as states, provinces, and counties. The image was taken from [http://visibleearth.nasa.go ファイルの使用状況