It's a hotbed of talent.

It's a veritable hotbed of Southern hospitality.

In Asia, there remain several hotbeds of tension.

You know, historically, a hotbed of anti-American activity.

The Internet is also a hotbed of Islamophobia.

We must prevent terror from breeding in hotbeds of hopelessness.

Undoubtedly some hotbeds of tension have been slaked.

Venice, I'm afraid, is perceived as a hotbed of...

Not your normal hotbed of crime and intrigue.

Cuba has always been a hotbed of Russian spies.