One-fifth of Earth's ocean floor is now mapped https://ift.tt/2NiDstv https://ift.tt/2V3hOOi https://ift.tt/2V3hOOi https://ift.tt/3hPCt1K

https://ift.tt/2V3hOOi

Submitted June 20, 2020 at 09:51PM by ostrichesarenotreal https://ift.tt/3hPCt1K ostrichesarenotreal