C949 Assistant

On the street, a heavy truck passed by, and a large amount of black smoke spurted out from its tail. The wooden doors and windows on both sides of the road shook unceasingly, and the mottled old houses looked as if they would collapse at any moment.

"Cough, cough, cough..."

As the black smoke dissipated, a young man carrying a blanket bent down and coughed unceasingly