The Large Hadron Collider, one of the world's most complex and expensive science experiments, will soon be switched back on. It's been 2 years since the collider was used to discover the Higgs Boson - the so-called God particle - which scientists believe turns energy into mass. <br /><br />Al Jazeera's Tarek Bazley reports from deep beneath the border between Switzerland and France. <br /><br />Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website http://www.aljazeera.com/
