The SongHua river has been polluted last week The goverment has stopped the tap waterso the people in harbin get some trouble about drinking the waterIt is a difficult problem because nobody can live well without the waterSo the goverment try its best to find the way to slove the problem At the same time many cities give help to Harbin hundreds of trucks transport the water to HarbinEverybody need others help when they get trouble Like people like city Our country likes a big family the city is the member of the family Like the family helping each other is responsilblity of every member