![](/sites/default/files/hm/images/cern%20closing%20LHC.jpeg)
The Large Hadron Collider (LHC) at CERN (CH) has been shut down for a two-year upgrade program. The improved machine that smashes protons together will start operations again in 2015. Watch the video on their website.
http://cds.cern.ch/record/1516001