We should reduce the number of vehicles on the road through the use of public transportSet up factories far from the city, a lot of green trees are planted in the city. It is important that you design in city park because the park is the city's lung, it helps a lot of dust and air oxidation, filtered air, reduce the use of natural gas in waste incineration is not malicious activities, activities and not burning forest
đang được dịch, vui lòng đợi..
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