Aren't the oceans beautiful?

Look at the pictures of the oceans below! Aren't they beautiful? Without oceans, we will not have such beautiful scenery. That is why oceans are very important to us, be it for its beautiful scenery, or the fact that they are home to many sea animals.

Coral reefs need clean water to thrive in. However, they are threatened and destroyed as the oceans are getting more polluted. We must not pollute the oceans anymore! We must save the coral reefs!