Google has marked the Earth Day with five illustrations by doodler Sophie Diao.
The five illustrations highlight five major biomes - the tundra, forest, grasslands, desert and coral reefs, to showcase the vastness of Earth.
Read more from our special coverage on "GOOGLE"
The doodle sees one animal in each illustration having 15-minute frame. Each time one visits Google.com, one of the five doodles randomly pops up.
Sideways view to the illustrations will also spot the Google logos.