Stand back: there might be a fire coming out any minute now.

And another "x" here.

Notice the "x" on this American emblem. The tour guide told me this is the "Traditional" Vietnamese mindset. We could call it "old school".

Read this if you can.

It's not a good idea to walk towards a plane with a gun on its nose.

Any guesses where this is from?

A closer view...but don't get too close.