Ключевые слова: accident, alarming, attention, barricade, barrier, block, city, closed, closeup, construction, crimson, crimson sky, danger, fence, forbid, forbidden, impossible, no entry, not allowed, obstacle, red, replacement, road, road closed, road sign, road up, roadway closed, round, security, site, sky, stop, stop sign, street, sunset, symbol, traffic, traffic sign, transportation, urban, warning, work, workplace,