A flash mob in Germany turned violent on Saturday as teenagers attacked and threw stones at police officers, authorities said.
원문출처 : https://www.cnn.com/2019/03/24/europe/frankfurt-flash-mob-police-scli-intl/index.html
원문출처 : https://www.cnn.com/2019/03/24/europe/frankfurt-flash-mob-police-scli-intl/index.html