The defenses Leiningen had devised were quite impressive.
5 seconds sound clip from the Leiningen Versus the Ants (1948) classic radio play.
You can hear this line at 00:08:07 in the radio play.
Quote context
[...]
- You don't seem very surprised.
- I thought you'd be back. Here, come along, we'll get some horses.
- You'll want to ride around the plantation, take a look at the defenses I rigged up.
- Yes, I'll want to see the defenses.
- And the ants. We'll be a getting a glimpse of 'em before long, I should think.
- The defenses Leiningen had devised were quite impressive.
- Surrounding three sides of the plantation like a huge horseshoe was a ditch, twelve feet wide.
[...]