9 Amazing Facts About Coral Reefs: The Ocean’s Vibrant Cities
They look like underwater gardens, but coral reefs are far closer to bustling cities than quiet flower beds. Every crevice hides a drama: a shrimp defending its burrow, a parrotfish chiseling rock, a shark patrolling like a night-time security guard. Scientists warn these ocean metropolises are under siege from warming seas and pollution, yet ...
