Hong Kong has good sanitation, good traffic order and warm people. But don't listen to others when buying things, unless you buy some duty-free goods, such as alcohol, tobacco and gold, but don't buy handicrafts and local products, which are quite expensive, with high labor value and high cost, so they are expensive. Beijingers are generous and enthusiastic. Beijing is a political and cultural center with a vast territory and many scenic spots. But don't run into a sandstorm, the rest of the time is clean. ..........................................................................................................................................................