ahlam1399
09-02-2016, 07:10 PM
The reef structure covers more than 2,000 square miles **rth of the Great Barrier Reef. What might live there and even what it looks like up close, is still largely a mystery.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/09/02/492383489/massive-donut-reef-discovered-behind-australias-great-barrier-reef?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/09/02/492383489/massive-donut-reef-discovered-behind-australias-great-barrier-reef?utm_medium=RSS&utm_campaign=news)