Ключевые слова: alert, biohazard, biological hazard, blurred city, caution, chemical spill, chemical threat, city background, city life, cityscape, civic duty, contamination, crisis, danger, decontamination, disaster preparedness, emergency personnel, emergency response, emergency services, environmental safety, epidemic, first responders, gas masks, hazardous materials, hazmat, health hazard, health risk, industrial, intervention, pandemic, pollution, preparedness, professional, protection, protective clothing, protective gear, protective suits, public health, public safety, readiness, response team, safety equipment, safety measures, security, toxic, urban crisis, urban environment, urban scene, urban street, yellow suits,