The sceptics had warned that high winds or even swooping birds would down him.<br /><br />But high-wire artist Nik Wallenda defied the odds to fulfil his dream by crossing over Niagara Falls on a tightrope.<br /><br />A French predecessor had once walked high over the Niagara gorge, but no-one had previously made it over the brink of the falls.<br /><br />...<br />http://www.euronews.net/
