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.
Find recipes for July 4 with these foodie apps
The Fourth of July means fireworks, fun and food. If you're planning on a barbecue this weekend, we've got the apps to help you find holiday-inspired recipes.