It is not a fog, and it is not a fire smoke. Those are clouds in par with the road in Tenerife, Spain. Image was taken when driving to Loro Parque after visiting Teide. The third highest volcanoe in the world. Teide is also called "Cloud Factory".
Sony A7R II Sony 55mm f1.8 Zeiss Sonnar T* @f/5.6 1/800 iso 100
