The Large Hadron Collider is the largest and most complex scientific instrument ever built and the highest energy particle accelerator in the world.
The accelerator is located 100 m underground and runs through both French and Swiss territory. ( 27km circumference) Year 2008 marks the culmination of 20 years of work by over 8000 scientists thousands of engineers, technicians and support staff from over 80 different countries. some critics say that this could create a black hole and could be the end of the world.. the first attempt starts on the 10th september 2008..!
(just a test run, the main collision with full power will happen in end of october) for more info folow the link. video is done by Chris Mann, CERN- european organization for nuclear research.