Few video try not to cry
https://www.youtube.com/watch?v=nTVnCf575Uc
https://www.youtube.com/watch?v=nO9kAnLDFZY

Animals can be heroes also
https://www.youtube.com/watch?v=L7FZ8AJvRcA
https://www.youtube.com/watch?v=92gE_NrnKRo