Low angle view of smoke stack emitting pollution against blue sky during winter

Related tags:

• sky
• air pollution
• day sky
• pollution
• sky view
• clear sky
• blue sky
• chimney
• day
• environmental pollution
• snow
• nature sky
• cold
• winter
• factory
• industrial
• outdoor
• nature
• view
• canada
• architecture building
• building structure
• mining
• natural views
• motion
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