Delhi Police barricade the road of Kartavya Path during parliament session for security, New Delhi poor air quality, low visibility, grey smog sky, India

air pollution sky delhi india street india gate kartavya path government building grey smog hazardous climate change rajpath dangerous traffic wildlife central vista lawns secretariat delhi pollution people vehicles architecture climate tourist places police busy road landmarks of the world boulevard global capital cities urban national capital downtown avenue alley new delhi polluted country rashtrapati bhavan international landmark winter session cars barricade lobby monument birds security pedestrian