Paragraph 2
The
of the reef means it is in pristine
. Most reefs are in warmer waters, which makes them
to bleaching from global warming. Tahiti's reef is deep enough and has sufficient
to protect it from
. UNESCO said deeper reefs are better protected from global warming. It believes the Tahiti reef is "one of the most
healthy coral reefs on
". It believes more mapping of the
ocean should be undertaken. It said: "We know more about the
of the Moon or the surface of Mars than the
part of the ocean."
