And the Walls Came Down
themillions.com
themillions.com
Never saw them when they're standing
Never saw them when they fell[0]
[0] https://www.youtube.com/watch?v=xzMKTZdkaU4
Edit: I checked out TFA, which has nothing to do with the above. As such, the metaphor was lost. Darmok and Jalad at Tonagra indeed.