Hundreds of volunteers are helping to map the Great Barrier Reef December 10, 2020 at 04:04PMhttps://https://ift.tt/377RPeR Volunteers have been asked to take and categorise thousands of photos of the Great Barrier Reef.

Volunteers have been asked to take and categorise thousands of photos of the Great Barrier Reef.

from BBC News - World https://ift.tt/376ueLJ