Comments by "alex Lo" (@alexlo7708) on "737 Pilot Reacts to the JeJu 737 Disaster" video.

  1.  @kevinblackburn3198  No, they are just a thin cement on brick wall, not a concrete bunker like this.
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  2.  @kbuss10  Have you ever heard of ground fill embankment dam? The reservoir that wall withstands huge amount of water.
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