Ключевые слова: 21, 921, 2019, afraid, against, anti, bill, business, china, citizen, controversy, crisis, democracy, demonstration, extradition, front, gangster, gas, government, gunshot, hong kong, house, human, law, long, many, march, officer, oppose, people, police, policy, political, politics, protest, protester, rally, rights, road, september, signs, street, tear, tension, thousands, tuen mun, walk, white, young, yuen long,