We are used to see some animals doing amazing things in the documentaries. So it is nice to see that the humans can do too amazing things and not just starting wars or creating nuclear warheads.
A man has crossed through a cable from Canada to the US accross the Niagara Falls.
This is amazing because it tells a lot about the potential of the human beings! It is not related to top technology that brought the man to the moon. It has to be with the witty inside the humans.