These wrecks are submerged to create artificial reefs and touristic diving spots.

The most important marine animals, for example, may be corals, because they create reefs that serve as the rain forests of the ocean.

Local environmental groups have been creating reefs and beginning the work.

Reefs can also grow on other surfaces, which has made it possible to create artificial reefs.

Wreck diving There are wrecks throughout the islands, some of which have been deliberately sunk to create artificial reefs and dive sites.

Or, in the case of hundreds of old tanks, we sink them in the ocean to create reefs that, we hope, will attract tropical fish.

Cold seeps change the shape of the ocean floor over time, where reactions between methane and seawater create carbonate rock formations and reefs.

The original bridge was demolished and its remains were sunk into the water to create artificial reefs in the Gulf of Mexico.

Many were dumped to create artificial reefs.

In another experiment, windmill foundations were used to create artificial reefs to act as fish nurseries.