For the past several weeks, people in countries around the world have been taking to the streets in huge numbers, airing their grievances, working toward change, seeking justice, and venting anger. Using techniques that vary from silent standing to violent destruction, demonstrators have been clashing with riot police from Brazil and Turkey, to Greece, Bulgaria, Nicaragua, Bahrain, the U.S., and more. Egyptians today are preparing themselves for a weekend of unrest, as protests are planned against President Mohamed Morsi, aimed at forcing him to quit. Collected here are images from only some of the protests that took place around the world over the past few weeks.