Ключевые слова: accident, activity, alert, area, background, ban, banner, block, caution, china, construction, copy, cordon, danger, development, disaster, entry, forbidden, government, guard, hongkong, horizontal, information, insecurity, no, notification, prohibited, protective, protest, railway, reborn, rebuild, restricted, restriction, ribbon, risk, sign, site, sky, space, stop, success, warning, zone,