Human footprints
With a project called Global Urban Footprints, scientists use radar imagery to reveal human development around the world.
Minneapolis, United States
The images are presented in three colors — black for urban areas; white for land surface; and grey for water. Minneapolis, Minnesota, is shown here.
Tokyo, Japan
A radar image of Tokyo, Japan.
Tokyo, Japan
A visible light image of Tokyo, Japan
Cairo, Egypt
A radar image of Cairo, Egypt.
Brussels, Germany
Radar imagery of Brussels, Germany.
Ho Chi Minh City, Vietnam
A satellite radar image of Ho Chi Minh City, Vietnam.
Delhi, India
Satellite radar image of Delhi, India.
Delhi, India
A visible light image of Delhi, India.
Los Angeles, United States
Human development in Los Angeles, California, viewed with satellite radar.
Munich, Germany
The region around Munich, Germany, viewed with satellite radar.