Talk about the atmosphere of today's Hanoi, Ho Chi Minh City, or Saigon, old, we no longer see the hands, the face in white that only the face like the ninja of Japan-masks, wear gloves. Firstly because of the dust pollution is too high. According to United Nations standards, standardization of the dust particles diameter 10 micro meter too much should have to face the fact. In addition to the dust source is the source of toxic gas emissions by two-wheeled motorcycles millions. Gas source in Vietnam has a high octane, but in fact many of the benzene phase. So benzene gas exists in the air; that gas is a gaseous benzene risk creating cancer. So also the ' ozone ' news from the side of the road 1-2 size contain many harmful chemicals including benzene. The fact shows the annual incidence of lung disease rising, particularly children under 5 years of age.
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