Zuckerberg appears before European Parliament representatives in Brussels, Belgium

A protester holds an EU flag next to life-sized Zuckerberg cutout figures in a protest action in front of the European Commission in Brussels, Belgium, May 22, 2018. Facebook CEO Mark Zuckerberg is to appear before the European Parliament representatives here on Tuesday to answer questions in a live broadcast on data information breach by Cambridge Analytica and also how Facebook uses personal data in general. (Xinhua)