हिमखंड (en. Iceberg)

Huge iceberg breaks off Antarctica.

But that's just the tip of the iceberg; good reports are invaluable in themselves!

Nepotism is just the tip of the iceberg.

A Huge Iceberg Just Broke Off West Antarctica’s Most Endangered Glacier.

And, indeed, the iceberg is also rapidly melting.

On April 15, 1912, the Titanic struck an iceberg at around 11:40 pm.

And that's just a tip of the iceberg.