What are the precautions for Serbian tourism? What should I pay attention to when traveling to Serbia?

Serbia has a temperate continental climate. Serbia is called the crossroads of Europe and the only way to connect Europe with Asia, the Middle East and Africa. Leng Xia is hot in winter, with an annual precipitation of 550 ~ 750 mm, and Leng Xia is hot in winter, with an annual precipitation of 550 ~ 750 mm because it is the turn of summer and autumn. It only rained for one day, and everything else was sunny. There is no shortage of sunshine here in summer. In short, the temperature is moderate and suitable for travel. About eating Serbian food, it's very cheap. The hamburgers, pizzas and sandwiches in general restaurants are all around 20 yuan, which is very big. It is enough for two people who have a small appetite, and rice is a little more expensive. Two people eat about 50 yuan per meal on average, which is one of the better restaurants. Iced coffee is very cheap, about 12 yuan. It's delicious, and you must try cream, chocolate and ice cream. There are also some local barbecues and patties that taste good! As for the long distance of retro trams on the street, it is suggested that cars and trains are slow and there are many stops, which can be experienced as an experience project, such as from Belgrade to Novi Sad. Rent a car if you can. For local transportation, you can buy a Belgrade bus card, with a card of 250din and a card of 90din, which is equivalent to handling a card 160din and swiping a bus card of 89din.