Taking 3D pictures is easy. Just shoot one picture,
then step one or more feet to the side and take the
same picture. Seeing 3D pictures is the tricky
part. I think it is a good deal easier than seeing
those images hidden in the headache-causing dot
posters. You have to cross your eyes, so the two
images become superimposed. Getting this while
retaining focus is a matter of practice.
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Construction at Dulles Airport Click for full size