Thats what happens when they burn nothing but coal for energy trying to make steel. You didnt learn how to speak Chinese? being in the bay area you think you would have learn more than Ne how. At least Ne how ma.. Boo Yaahw.. Che Che. some more things? Be sure to learn this at the minimum "Tah" or "Taw" they are charging you to much. Tourist or Americans always have to pay 3 times as much as the locals. its a scam.
Come live on the edge Leo pick up a flag and take a walk up the middle of the street... Or better yet document the whats happening in the middle of the streets before they cut your cell phone service off the closer you get to the north east of the country.