Mobile World Congress and its convention-goers were caught near a protest by university students over spending cuts in education.
Here, armed policemen stand guard, preventing anyone--protesters or convention goers--to enter MWC, which is held at the Fira de Barcelona-Montjuic.
GoPro, Pixpro, or Ricoh?
You can spend hundreds or even thousands of dollars on a 360-degree camera. We tested three of them to find out what kind of quality and ease of use you can expect at each price point.