The London 2012 Olympic Torch Relay continued through Belfast, Northern Ireland, this past Monday, marking day 17 of a 70-day journey that will include 8,000 torchbearers and 8,000 miles (12,875 kilometers). Here, torchbearer Peter Jack hoists the Olympic Flame atop the Giant's Causeway in County Antrim.[url='http://videos.howstuffworks.com/electronics/extreme-sports-videos-playlist.htm'] Video Playlist: Extreme Sports Videos »[/url]