Thirty-six Street looks very old-fashioned, and it is indeed like what others say about the streets of China in the 1980s, with a variety of small-business places on both sides. This is the most popular commercial street in Vietnam, the streets are intricate, each street is "every job", basically only sell the same industry variety of goods, such as shoe business street, hat business street, silver business street, leather street, cooker street, etc., each street can find a very special crafts shop. Here the general US dollar, the exchange rate of US dollars to Vietnamese dong is relatively stable throughout the year, a national style pants about 2.6 US dollars, we booked a day trip to Halong Bay at the hotel for 35 US dollars, after the door found that the street was full of 23-30 US dollars, lost about 70 yuan per person.