Tìm lỗi sai và sửa ( #Quỳnh ) không mạng, em cảm ơn Nam is a student.This year he had a very interested summer holiday.He traveled with him clasmates,to a mountainous area in Lao Cai province.They gone there to help make a road through the forest among two villages.''It was very difficult because there had no water to drink and no shops where we could bought food''said Nam ''It was very cold and wet in the mountains.It is one of the wetter places in the country''Nam stayedin the mountains since six weeks.It was hardwork,but he says it was the best thing he has ever did.He hopes to return next year to do anymore