The people in that photo seem way too comfortable with the amount of smoke pervading the building. Since there doesn't seem to be a fire alarm going off, are we

The people in that photo seem way too comfortable with the amount of smoke pervading the building. Since there doesn't seem to be a fire alarm going off, are we left to believe that they just fishbowl the whole office in order to mellow people out so they don't mind that office layout...?