I bet each and everyone of us feels that way when we see a train. Except as a 3-yr old you can act it out. If we do it, it looks like this. http://www.youtube.com/watch?v=a5a3GeyE9aY
or this… http://www.youtube.com/watch?v=RhYXNwvcl6A
Apparently, someone called an adult was directly in front of her. Child safety was my second thought.
but by her behaviour it was clearly seen, that she had been told about security. her side-looks to the yellow stripe told that.
Cuteness overload!