This image shows a large plume of white and gray smoke rising into a blue sky with dark clouds

This image shows a large plume of white and gray smoke rising into a blue sky with dark clouds. The smoke appears to be originating from an industrial area. In the foreground, there is a metal guardrail and a rusted wall covered in graffiti. The guardrail is a light gray color and is supported by metal posts. The wall is a dark orange color and appears to be made of corrugated metal, with various tags and markings in black spray paint. Below the guardrail is a paved surface, possibly a road, with some debris and traffic cones. In the background, there are some buildings and trees visible through the haze. The overall impression is one of an industrial landscape under a dramatic sky, with signs of human activity in the form of graffiti and infrastructure. This scene is consistent with an industrial site in the city of Sofia, Bulgaria, a city known for its industrial areas and common occurrence of industrial emissions.